627 hp @ 6300 rpm on a Non-Boosted application with OEM LS7 intake manifold! Displacement: 427". Fax: 937-548-46037am 5pm M-F EST WebATK SP36-B LS 408CI Stroker Short Block -29cc Dish Pistons 58 Tooth Boost/Nos Ready ATK HP55 Chevy 383 Stroker Base Engine 500HP ATK SP73 LS3 415CI Stroker Short Block -4cc Flat Top Pistons 58 Tooth Our Price (USD): Our Long Blocks include assembled short block, assembled cylinder head and all valvetrain components. View As 8 Products Alphabetically, A-Z Price - 11165 12999 14833 16666 18500 Add To Cart Learn more Add to cart AMS Racing Stage 2 Built 4 Boost Gen III 5.3L Long Block w/ CNC Heads & BTR Cam $ 6,495.00 Buy in monthly payments with Affirm on orders over $50. ): Investment-cast, roller trunnion. WebDart LS Next block Key way lifters Machined for JESEL Belt Drive . The 800 Performance FI Long Block supports up to 800 horsepower and is competitively priced for such a powerful complete long block. Order Cancellations: Special order items are subject to order cancellation fees. lift intake/0.635 in. FACTORY FOUNDATION FOR BOOST We do carry a 1 year replacement warranty on all "AMS Racing" parts. We can custom build this to your needs. We use the best name brands such as AFR, Dart, Brodix, Callies, Lunati, CP-Carillo, Crower, Eagle, Scat, JE, Diamond, Mahle and Manley just to name a few. Feel free to call us at (818) 579.0372 for any help and questions regarding products. We ship UPS daily Oil pan change required for wet-sump oiling Includes 9-bolt crankshaft flange that may require adapter for use with some transmissions Call Us 1-800-240-RACE. WebCNC-Motorsports offers the best selection in LS LS2 LS3 LS7 LSX short blocks. Our long blocks have become a huge hit among racers of all types worldwide. Long Block comes with LS7 Crank pulley. All prices subject to change without notice. Our short blocks are in high demand among racers of all types worldwide. Need More Info? View cart for details. Our long blocks have become a huge hit among racers of all types worldwide. We'll be turning it up here soon and i'm very confident in doing so. You will receive a link to reset your password. to read our customers words. 570 HP Crate Engine Assembly, LS3 480 Full Crate Engine Dressed (IN STOCK), 2004-07 CADILLAC CTSV LSA Supercharger Kits, 2006-2009 Trailblazer SS LSA Supercharger Kits, 2009-09 Pontiac G8 LSA Supercharger kits, 2014-17 Chevrolet SS LSA Supercharger Kits, @Boosted.c8 C8 Corvette Shop Car Parts list, AJsDaddy1209 Collection List (Anthony Pinto) 2017 Chevy SS Sedan, BoostDistrict LSx LTx Supercharged Crate Engine Packages, C8 Corvette Suspenion and Lowering packages, Chevrolet Performance Connect and Cruise Engine+Trans Packages, Gen2 TVS2650 BoostDistrict Superchargers Powered by Magnuson, GM Performance Accessory Belt Drive Systems, 2019-23 MAGNUSON GM Magnum DI 5.3L & 6.2L Truck Intercooled Supercharger kit. Name. Our game plan penciled out to 415 cubes. WebLS Long Block CNC-Motorsports LS LS2 LS3 LSX long blocks designed for performance racers. He take his time and give the best options for your particular application. 1:00 p.m. - 3:00 p.m. 2023 BluePrint Engines. The foundation is a seasoned GM 6.0L block that we have re-machined on our CNCs to far tighter than the original GM tolerances. The 800 Performance FI Long Block is the first release of a diverse line of Mast Motorsports hand built LS3 based long blocksthat are designed for the Hot Rod/Muscle Car market. Both engines use seasoned GM 6.0L blocks that we have re-machined on our CNCs to far tighter than the original GM tolerances. Rated to 1000 hp, our stage 1 long block is a capable choice for most boosted applications. Front Lobby Hours: After a few pulls and some pulley swaps, we hit 983 hp at 6,400 rpm and 857 lb-ft of torque at 5,400 rpm. Assembled Engine and Transmission Packages, Click here to download a copy of the Installation Guide, LS Oil Pan Swap Kit | Rear Sump Oil Pan Kit for Muscle Car / Truck Engine Swap, LS Oil Pan Swap Kit | Low Profile Oil Pan Kit for HotRod / Muscle Car Engine Swap, LS Oil Pan Swap Kit | Rear Sump Oil Pan Kit for Muscle Car / Truck Engine Swap | Black, LS Oil Pan Swap Kit | Low Profile Oil Pan Kit for HotRod / Muscle Car Engine Swap | Black, BluePrint Engines Crate Engine Break-In Oil 1 Quart, BluePrint Engines 10w30 Engine Oil - 1 Quart, BluePrint Engines Air Intake Kit for LS engines, EFI FUEL PUMP KIT 526-7 | FOR HOLLEY 550-510, 550-511, HOLLEY EFI IN-TANK RETROFIT FUEL PUMP | 450LPH | Return Style, ALUMINUM | GM LS Corvette Spacing | WATER PUMP, LS CHEVY| LS 6-BOLT CRANK | LS SERIES 168T FLYWHEEL, LS CHEVY FLEXPLATE | LS 6-BOLT CRANK | LS SERIES 4L60E/4L70E | 168T, GM LS 4L70E PACKAGE | 4 SPEED AUTO KIT FOR GM LS ENGINES | WITH CONTROLLER | 2200-2600 STALL CONVERTER, GM LS 4L70E PACKAGE | 4 SPEED AUTO KIT FOR GM LS ENGINES | NO CONTROLLER | 2200-2600 STALL CONVERTER, LS FRONT ACCESSORY DRIVE | FULL SERPENTINE W/ ALT | PS | WP | AC | BRACKETS | BOLTS, LS FRONT ACCESSORY DRIVE | FULL SERPENTINE W/ ALT | PS | WP | BRACKETS | BOLTS, LS FRONT ACCESSORY DRIVE | FULL SERPENTINE W/ ALT | AC | WP | BRACKETS | BOLTS, Hand picked seasoned GM Cast Iron 6.0L block , Bored .030, BluePrint Aluminum Cylinder Heads -PS8015. They are ready for your covers, sensors, intake assembly and oil pan. You would be shocked at how many aftermarket supercharger cams have less than 60 EVO. He provides 100% great customer service. ! So you can see the IVC and EVO are really moved out compared to your cam, and the overlap has been minimized as well. With quality parts such as Callies Forged Crank and Rods, Wiseco Forged Pistons and Clevite H-Series Performance Bearings they are able to handle big power!! LSx Long-Block $ 16,946.99 TSP 454 C.I.D. For baseline horsepower and torque numbers in development, this BluePrint engine was dyno tested with the parts and specifications listed below. Take the kids to a sports deal, equally as easy. All Rights Reserved. We Also Offer Them As Basic Short Blocks, Short Blocks With Cam Packages, Short Block Deluxe With Pan Or Even As A Dyno Tested Long Block Ready For Your Supercharger Or Turbo Set Up! Then contact your credit card company, it may take some time before your refund is officially posted. Message. GM Chevrolet 5.3 325 Premium Long Block 1999-2007 Cast Iron Block without AFM. Copyright 1995-2023 eBay Inc. All Rights Reserved. Please do not send your purchase back to the manufacturer. Design & Developed by Informatics Commerce, 1930 Aldine Western Rd Houston, TX 77038, United States, 468" LSX NA - Nitrous Tall Deck Long Block, LME, 1930 Aldine Western Rd Houston, TX 77038, United States. We use the best name brands such as Dart, Callies, Lunati, CP-Carillo, Eagle, Scat, JE, For that, we hit up the guys at ProCharger. WebThis 6.0L LS is designed to handle up to 1,000 hp. They are ready for your covers, sensors, intake assembly and oil pan. WebLS Long Block CNC-Motorsports LS LS2 LS3 LSX long blocks designed for performance racers. Now, weve built a lot of LS engines, but weve always been impressed with the work done by professional shops such as Shafiroff Racing Engines in New York. Shipping costs are non-refundable. WebThis series of high performance LS turbo short block engines works great for both Centrifugal and Twin Screw Style Super Chargers and can be custom built to work with Turbo Chargers as well. bore* 4.125 in. WebATK SP36-B LS 408CI Stroker Short Block -29cc Dish Pistons 58 Tooth Boost/Nos Ready ATK HP55 Chevy 383 Stroker Base Engine 500HP ATK SP73 LS3 415CI Stroker Short Block -4cc Flat Top Pistons 58 Tooth Our Price (USD): Our $2,069.99. Call us at 318-222-7889 Monday-Friday 8-5 CST. BILLET VALVE COVERS NOT INCLUDED IN LONG BLOCK PRICE. LMEs custom forged 4.125" piston from Diamond is designed to handle the astounding heat and cylinder pressures today's boosted street machines produce. Something went wrong. There is often some processing time before a refund is posted. * Cast iron LSX Series block with cross-bolted 6-bolt main caps, * Forged aluminum 11.0:1 compression pistons, * 0.635 in. ): 2.160 titanium intake / 1.590; hollow, sodium-filled exhaust, Rocker Arms (P/N 12696105 int. stroke* Cast iron LSX Series block with cross-bolted 6-bolt main caps* Forged steel crankshaft* Forged steel connecting rods* Forged aluminum 11.0:1 compression pistons* Hydraulic roller camshaft* 0.635 in. CNC-Motorsports LS LS2 LS3 LSX long blocks designed for performance racers. - eBay Money Back Guarantee - opens in a new window or tab, - for PayPal Credit, opens in a new window or tab, Report this item - opens in new window or tab, 5.3 ls Long Block Boost Ready (#144410651455), Item was not totally accurate but if it runs and is not a junkyard motor I'm ok, 5.3 ls engine Boost Ready (#143937725614), Sold the the wrong transmission and I never got a refund, 4l60e transmission 4x4 with transfer case (#143899282076). With quality parts such as Callies Forged Crank and Rods, Wiseco Forged Pistons and Clevite H-Series Performance Bearings they are able to handle big power!! Our entry level "Built 4 Boost" long blocks include everything listed below. of boost. Showing 1 to 2 of 2 (1 pages) Sale items (if applicable) Only regular priced items may be refunded, unfortunately sale items cannot be refunded. The 800 Performance FI Long Blocks heart and soul is the new 4.065 aluminum block. Both feature remarkable improvements to the oiling system and cast with exceptional materials. We will make more on the Westech dyno just for giggles, but in the real world anything over 700 in a street car starts to become excessive. Engine Details. Of course, we padded that number a smidge to cover the added inertia of our four-door wagon. Its why their engines survive in race cars. WebDart LS Next block Key way lifters Machined for JESEL Belt Drive . Displacement: 427". See all 48 photos. All Rights Reserved. Contact Us. Contact Us. 2023 BoostDistrict. Thanks much for the best service. Custom builds available upon request. Now, the wagon will hit the track, but its main use is a cruiser. Select an option WebBluePrint Engines 408CI Stroker Crate Engine | GM LS Style | Longblock | Aluminum Heads | Roller Cam $8,029.00 Buy in monthly payments with Affirm on orders over $50. Oil pan change required for wet-sump oiling, Includes 9-bolt crankshaft flange that may require adapter for use with some transmissions, Induction system and front-end accessory drive system not included, Engine Type: LS-Series Gen-IV Small-Block V-8, Bore x Stroke (in. 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This warranty is from manufacturer defect only and does not include any labor/part claims associated. Need More Info? If the item wasnt marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return. It is an upgraded version of our 645 hp naturally aspirated LS. Weve made great power on the dyno with their centrifugal blowers, but havent gotten to stuff one into a project car yet. Most LS/LQ Accessory drive will also bolt up to the block. LSx Short-Block $ 10,099.99 TSP 454 CID 650 HP LSx Turn-Key Package $ 23,968.99 TSP 454 CID 700 HP LSx Turn-Key Package $ 24,458.99 TSP 468 CID 660 HP Tall-Deck LSx Turn-Key Package $ 25,789.99 TSP 468 CID 710 HP Tall-Deck LSx Turn-Key Package $ 25,912.99 Please enter your email address below. The foundation is a seasoned GM 6.0L block that we have re-machined on our CNCs to far tighter than the original GM tolerances. WebCallies Billet crank with a 4.000" stroke, 6.125" Ultra rods, and .225" wall heavy duty pins conclude the proven rotating construction making this the ultimate base for street car dominance. The store will not work correctly in the case when cookies are disabled. THE NEXT GENERATION IS HERE! WebOur Long blocks are built using the best components available. And because theyre more sensitive to boost leak due to camshaft overlap we tend to run less overlap on those cams. All rights reserved. What more could a person ask for. lift intake/0.635 in. If you need to exchange it for the same item, call us at 318-222-7889 and send your item to: AMS Racing, 1020 Barksdale Blvd., Bossier City LA 71111, United States. Feel free to call us at (818) 579.0372 for any help and questions regarding products. WebWe Offer Them In 3 Stages Of Boost Ready Performance And Can Be Purchased As 403 (4.005" Bore) or 408 (4.030" Bore) On Request. WebLS9 Long Block (Built for Boost) $ 16,803.74 $ 16,250.00 Assembly does not include any electronics Includes dry-sump oil pan and requires external oil tank (not included). They almost always make good top end horsepower so we crutch them to make more average torque. Our short blocks are in high demand among racers of all types worldwide. We have hundreds of Chevy LS Long Blocks products available. Chevrolet Performance Crate Engine430 HP / 425 lb. The LSA on the cam for this engine was 117 due to the EVO being 66 degrees BBDC. WebATK SP36-B LS 408CI Stroker Short Block -29cc Dish Pistons 58 Tooth Boost/Nos Ready ATK HP55 Chevy 383 Stroker Base Engine 500HP ATK SP73 LS3 415CI Stroker Short Block -4cc Flat Top Pistons 58 Tooth Our Price (USD): Our ARP fasteners are used throughout and Mast pushrods ride on LS7 hydraulic roller lifters. ): .562 intake / .558 exhaust, Cylinder Heads (P/N 12621774): Aluminum L92-style ports; as cast with 68-cc chambers, Valve Size (in. WebWe Offer Them In 3 Stages Of Boost Ready Performance And Can Be Purchased As 403 (4.005" Bore) or 408 (4.030" Bore) On Request. 5453 South State Route 49 Greenville, OH 45331, All prices subject to change without notice. That still left us missing the boost part of the equation. It features a strong nodular iron crankshaft, with powdered metal forged connecting rods, and hypereutectic aluminum pistons. Name. So, the total specs were 231/248 117+5 for the cam in this build. The LSA is also wide because we wanted to reduce overlap to make the car drive and idle better. Both engines use seasoned GM 6.0L blocks that we have re-machined on our CNCs to far tighter than the original GM tolerances. WebTSP 454 C.I.D. 2020 Late Model Engines. For the best experience on our site, be sure to turn on Javascript in your browser. So, a huge crate of parts was shipped out to their shop in New York and they turned it into one very well sorted, boost-ready long-block. Feel free to call us at (818) 579.0372 for any help and questions regarding products. Centrifugal superchargers continue to build boost as rpms increase. Need More Info? Yep, physics and Newton (Isaac, not the fig) tells us that objects at rest really want to stay that way, and we estimate that our 1971 Chevelle wagon will weigh in right about 4,500 pounds when done. Weve made close to 1,000 hp with one of these in the past so we knew it was more than capable of getting us where we needed to be, which is around 700-750 pump-gas horsepower at the crank. Learn more Part #: BPLS4080C Add to Cart SPECIFICATION REVIEWS RECOMMENDATIONS Description HP & Torque: 570 HP / 530 FT LBS Compression Ratio: 10.8:1 Aluminum Heads Skip to the beginning of the images gallery, Roll Master Double Roller w/ Billet Gears & Torrington Bearing, Clevite H-Series Main & Rod, Dura Bond One Piece Cam Bearing. Thats over 1,000 pounds more than the typical Pro Touring Camaro. But those cams are designed by guys focused on duration and LSA, rather than focusing on the valve events and letting the duration and LSA be the derivative of those event like we do at Brain Tooley Racing.. WebAMS Racing Stage 1 Built 4 Boost Gen III 6.0L Long Block w/ CNC Heads & BTR Cam $ 6,895.00 Buy in monthly payments with Affirm on orders over $50. Check out the video of this long block running on our dyno as a complete engine with a D1X ProCharger system. Name. If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. Don't see exactly what you're looking for? C5/C6 Corvette serpentine drive will work for this application. WebLS 6-bolt LS 8-bolt Oiling System Wet Sump Dry Sump Reluctor Ring 24X 58X Engine Block Material Cast Iron Block Cant find what you are looking for? Our short blocks are in high demand among racers of all types worldwide. Bore: 4.125. Yeah, we do the basics, such as checking bearing clearances, but Shafiroff checks everything, every part and every possible variable involved. Our long blocks have become a huge hit among racers of all types worldwide. Long known for their killer big-blocks, theyve also been churning out some impressive LS mills. The 800 Performance FI Long Block supports up to 800 horsepower and is competitively priced for such a powerful complete long block. ): 4.065 x 3.622 (103.25 x 92 mm), Block: Cast-aluminum with six-bolt, cross-bolted main caps, Crankshaft (P/N 12641693): Forged steel with nine-bolt flange, Connecting Rods (P/N 12624231): Forged titanium, Camshaft Type (P/N 12638427): Hydraulic roller, Valve Lift (in. Choosing Supercharger Cams Big Power Big Savings Bore We use the best name brands such as Dart, Callies, Lunati, CP-Carillo, Eagle, Scat, JE, INTAKE TO OIL PAN AS PICTURED! 5 + 13 = Submit. Sort by BoostDistrict 1000HP HotRod Engine/Supercharger Package Learn more Add to cart AMS Racing Stage 2 Built 4 Boost Gen III 5.3L Long Block w/ CNC Heads & BTR Cam $ 6,495.00 Buy in monthly payments with Affirm on orders over $50. WebBluePrint Engines 408CI Stroker Crate Engine | GM LS Style | Longblock | Aluminum Heads | Roller Cam $8,029.00 Buy in monthly payments with Affirm on orders over $50. It is an upgraded version of our 645 hp naturally aspirated LS. Due to the number of application variations, the Chevrolet Performance LSX 454 long block crate engines do not include an oil pan, and the valve covers do not include provisions for mounting the ignition coil brackets. Most items are available ready to ship. 24X reluctor ring, cam sensor in the back of the blockBecause this engine does not ship with an oil pan, we do not dyno test prior to the engine being shipped. Both engines use seasoned GM 6.0L blocks that we have re-machined on our CNCs to far tighter than the original GM tolerances. See product page for details. Learn more Add to cart Web427 LS Short Block Price; Dart SHP LS-Next iron block Ohio Crankshaft 4340 4.00 stroke LS crankshaft Ohio Crank H6125 rods w/ARP 2000 bolts Diamond 2K, 2,000-horsepowe pistons Total Seal rings King bearings Internally balanced and assembled Add OC billet crank - $675.00 Add Oliver billet rods - $900.00 Add SHP Pro Block - $600.00: assembled They also come dressed with great looking, all-new orange powdercoated valve covers with an engraved LSX454 logo. It is an upgraded version of our 645 hp naturally aspirated LS. WebType: Long Block Vendor: BoostDistrict Description: Chevrolet Performance LSX 454 long block crate engines are built with an all-forged, super-tough rotating assembly and feature a pair of new Chevrolet Performance deep-breathing LSX 6-bolt cylinder heads. Our Long blocks are built using the best components available. WebAMS Racing Stage 1 Built 4 Boost Gen III 6.0L Long Block w/ CNC Heads & BTR Cam $ 6,895.00 Buy in monthly payments with Affirm on orders over $50. Check out our featured Long Blocks to serve your builds/swaps! AED .. We dont guarantee that we will receive your returned item. If 30 days have gone by since your purchase, unfortunately we cant offer you a refund or exchange. WebBluePrint Engines 408CI Stroker Crate Engine | GM LS Style | Longblock | Aluminum Heads | Roller Cam $8,029.00 Buy in monthly payments with Affirm on orders over $50. The unique combinations youll find at Prestige Motorsports are designed to add low-end power and muscle-car sound to this line that provides an excellent platform for turbochargers. Refresh your browser window to try again. We have hundreds of Chevy LS Long Blocks products available. Thanks to all the great staff at LME for my build! Chevrolet Performance LSX 454 long block crate engines are built with an all-forged, super-tough rotating assembly and feature a pair of new Chevrolet Performance deep-breathing LSX 6-bolt cylinder heads. So with all of that potential energy simmering on the burner, it was time to get this big project in motion. Showing 1 to 2 of 2 (1 pages) WebCNC-Motorsports offers the best selection in LS LS2 LS3 LS7 LSX short blocks. ft TorqueReplaces 1925 LS3 525 Long Block 1 Available. Your payment information is processed securely. Need to grab some sticks of lumber? Learn more Part #: BPLS4080C Add to Cart SPECIFICATION REVIEWS RECOMMENDATIONS Description HP & Torque: 570 HP / 530 FT LBS Compression Ratio: 10.8:1 Aluminum Heads ","image":{"created_at":"2019-07-17T19:59:16-05:00","alt":null,"width":1771,"height":2048,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0666\/1701\/collections\/LS7_427_2.9L_5b220b5e-531f-4e78-ab93-e0c33003d409.png?v=1563411558"}},{"id":152865931361,"handle":"all-engines","updated_at":"2023-02-17T15:25:32-06:00","published_at":"2019-10-17T10:47:43-05:00","sort_order":"manual","template_suffix":"","published_scope":"global","title":"Products - Engines","body_html":""}], ["built ls engine","built ls3","complete ls","complete ls3","ls3 engine","ls3 long block","ls3 supercharged","mast ls3 engine","supercharged engine","supercharged ls","turn-key ls3","turnkey ls3"]. Handling the top end are 6-bolt heads from Brodix that feature LME in-house CNC porting and utmost quality components with option to upgrade to 1/2" studs. Complete your engine with front drives, engine controllers and everything in between. If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet. \u003c\/p\u003e\n\u003cp\u003eLong Blocks include assembled short block, assembled cylinder head and all valvetrain components. BILLET VALVE COVERS NOT INCLUDED IN LONG BLOCK PRICE. Consists of engine block, crankshaft, connecting rods, pistons, piston rings, cylinder head assemblies (including valve train components), lifters, camshaft, timing gears and chain, timing chain dampener, front cover, harmonic balancer, oil pump, valve covers and oil pan, unless otherwise specified. Commercial Address with Loading Dock ($0.00) Message. Email Address. Ohio Crankshaft is proud when one of their customers does well. Feel free to call us at (818) 579.0372 for any help and questions regarding products. As I lay rubber down the street, I pray for traction I can keep, but if I spin and start to slide please dear God, protect my sweet ride. Oil pan change required for wet-sump oiling Includes 9-bolt crankshaft flange that may require adapter for use with some transmissions Most items are available ready to ship. WebWe Offer Them In 3 Stages Of Boost Ready Performance And Can Be Purchased As 403 (4.005" Bore) or 408 (4.030" Bore) On Request. 376ci with GM hot cam - factory installed ! As the foundation for the supercharged engine that powered the 2009-13 Corvette ZR1, our LS9 is a long block built for boostdelivered without the supercharger or front-end accessory drive system, allowing the builder to finish the engine with the power adder of his or her choice. We will also notify you of the approval or rejection of your refund. WebLS9 Long Block (Built for Boost) $ 16,803.74 $ 16,250.00 Assembly does not include any electronics Includes dry-sump oil pan and requires external oil tank (not included). GM LSX LS7 7.0L 427 Cubic Inch Stroker Long Block, Race Prep LSX Block, Callies 4.000 Stroke Crankshaft, Callies I Beam Rods with ARP2000 Bolts, Diamond 9.4:1 Pistons, CNC Custom Solid Roller Camshaft, Cloyes Billet Timing Chain, Melling Performance Oil Pump, Brodix BR7 Heads, Crower Shaft Rocker Arms, 100% Machined, Balanced, and the long block assembly is blue-printed to our race winning specs, GM LSX LS7 7.0L 427 Cubic Inch Stroker Long Block, Race Prep LSX Block, Callies 4.000 Stroke Crankshaft, Callies I Beam Rods with ARP2000 Bolts, Diamond 11.3:1 Pistons, CNC Custom Solid Roller Camshaft, Cloyes Billet Timing Chain, Melling Performance Oil Pump, Brodix BR7 Heads, Crower Shaft Rocker Arms, 100% Machined, Balanced, and the long block assembly is blue-printed to our race winning specs, GM LSX LS7 7.0L 427 Cubic Inch Stroker Long Block, Race Prep LSX Block, Lunati 4.000 Stroke Crankshaft, Lunati H Beam Rods with ARP2000 Bolts, CP 11.2:1 Pistons, CNC Custom Hydraulic Roller Camshaft, Cloyes Billet Timing Chain, Melling Performance Oil Pump, Brodix BR3 Heads, Yellow Terra Twinshaft rockers , 100% Machined, Balanced, and the long block assembly is blue-printed to our race winning specs.