CNC-Motorsports LS LS2 LS3 LSX long blocks designed for performance racers. Our long blocks have become a huge hit among racers of all types worldwide. 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. All our long blocks are 100% machined, CNC Machined and blue-printed to our race wining specs. Custom builds available upon request.
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CNC-416BST PART NUMBER
GM LS3 6.2L 416 CNC Competiton Boosted Long Block, AFR 260 LS3 Heads, Diamond 9.0:1 Compression Pistons$14,449.95GM LS3 6.2L 416 Cubic Inch Stroker Long Block, Race Prep LS3 Aluminum Block, Callies Compstar 4.000 Stroke Crankshaft, Callies Compstar H Beam Rods with ARP2000 Bolts, Diamond 9.0:1 Pistons, CNC Custom Hydraulic Roller Camshaft, Cloyes Billet Timing Chain, Melling Performance Oil Pump, AFR 260 LS3 CNC Ported Heads, Yella Terra Shaft Rockers, 100% Machined, Balanced, and the long block assembly is blue-printed to our race winning specs
Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-416PST PART NUMBER
GM LS3 6.2L 416 CNC Pro Street Long Block, AFR 260 LS3 Heads, Diamond 11.4:1 Compression Pistons$14,329.95GM LS3 6.2L 416 Cubic Inch Stroker Long Block, Race Prep LS3 Aluminum Block, K1 4.000 Stroke Crankshaft, K1 H Beam Rods with ARP2000 Bolts, Diamond 11.4:1 Pistons, CNC Custom Hydraulic Roller Camshaft, Cloyes Billet Timing Chain, Melling Performance Oil Pump, AFR 260 LS3 CNC Ported Heads, Yella Terra Shaft Rockers, 100% Machined, Balanced, and the long block assembly is blue-printed to our race winning specs
Learn More3% CREDIT PAYMENT FEEAn additional 3% fee will be charged for applicable engines purchased via credit card, PayPal or affirm.FREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-427BST PART NUMBER
GM LSX LS7 7.0L 427 CNC Big Boost Long Block, Brodix BR7 Heads, Diamond 9.4:1 Compression Pistons$24,899.95GM 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 Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-427RLB PART NUMBER
GM LSX LS7 7.0L 427 CNC Race Long Block, Brodix BR7 Heads, Diamond 11.3:1 Compression Pistons$24,899.95GM 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 Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-427PST PART NUMBER
GM LSX LS7 7.0L 427 CNC Pro Street Long Block, Brodix BR3 Heads, CP 11.2:1 Compression Pistons$14,799.95GM 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 Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-454PST PART NUMBER
GM LSX 454 CNC Pro Street Long Block, AFR LS3 Heads, Diamond 11.5:1 Compression Pistons$15,899.95GM LSX 454 Cubic Inch Stroker Long Block, Race Prep LSX Block, Compstar 4.125 Stroke Crankshaft, Compstar H Beam Rods with ARP2000 Bolts, Diamond 11.5:1 Pistons, CNC Custom Hydraulic Roller Camshaft, Cloyes Billet Timing Chain, Melling Performance Oil Pump, AFR LS3 Heads, Yella Terra Shaft Rockers, 100% Machined, Balanced, and the long block assembly is blue-printed to our race winning specs
Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-LS408-LB1-HYD PART NUMBER
LS 408 Long Block - Stage 1 Hydraulic Roller Boost Series$16,449.95LS 408 Long Block, Dart Block, Compstar Crankshaft, Diamond Pistons, Brodix Heads, Rated to 1200 Horsepower
Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-LS415-LB1-HYD PART NUMBER
LS 415 Long Block - Stage 1 Hydraulic Roller Boost Series$16,449.95LS 415 Long Block, Dart Block, Compstar Crankshaft, Diamond Pistons, Brodix Heads, Rated to 1200 Horsepower
Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-LS427-LB1-HYD PART NUMBER
LS 427 Long Block - Stage 1 Hydraulic Roller Boost Series$16,449.95LS 427 Long Block, Dart Block, Compstar Crankshaft, Diamond Pistons, Brodix Heads, Rated to 1200 Horsepower
Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-LS440-LB1-HYD PART NUMBER
LS 440 Long Block - Stage 1 Hydraulic Roller Boost Series$16,449.95LS 440 Long Block, Dart Block, Compstar Crankshaft, Diamond Pistons, Brodix Heads, Rated to 1200 Horsepower
Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount.