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Acura B18A/B18B, B20 - ProH2K (formerly Sportsman) w/ARP2000 Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connect...

BC adjustable cam gears deliver the easiest way to dial in more horsepower and/or torque without getting underneath the valve cover, disassembling ...

B16A (1.92L) - Includes 4340 billet crank, 84.5mm stroke, ProH2K (formerly Sportsman) rods (5.290 c-to-c), custom pistons (choice of bore/compressi...

Brian Crower Spring and Retainers Valvesprings Designed for high rpm, Brian Crower valve springs are wound from only the highest grade, super cle...

Custom, specify cylinder head, bore size and compression ratio - Includes 4340 forged crank (4.100" stroke) w/58 tooth reluctor wheel, ProH2k rod...

Custom, specify cylinder head, bore size and compression ratio - Includes 4340 forged crank (4.125" stroke) w/58 tooth reluctor wheel, ProH2k rod...

Custom, specify cylinder head, bore size and compression ratio - Includes 4340 forged crank (4.250" stroke) w/58 tooth reluctor wheel, ProH2k rod...

Chevrolet LS Series - ProH2K (formerly Sportsman) w/ARP2000 7/16" Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance co...

Chevrolet LS Series - ProH2K (formerly Sportsman) w/ARP2000 7/16" Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance co...

4340 forging, balanced. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate per...

4340 forging, unbalanced. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate p...

4340 forging, balanced. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate per...

4340 forging, unbalanced. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate p...

4340 forging, unbalanced. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate p...

4340 forging, balanced. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate per...

4340 forging, unbalanced. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate p...

Designed for up to 9000 rpm and 1200whp, BC valve springs by Associated Spring are wound from only the highest grade, super clean, chrome silicone...

LS1 Head 383 CID - Includes 4340 forged crank (4.000" stroke) w/58 tooth reluctor wheel, ProH2k rods (6.125" c-to-c), CP Bullet Series pistons #C...

LS2 Head 403 CID - Includes 4340 forged crank (4.000" stroke) w/58 tooth reluctor wheel, ProH2k rods (6.125" c-to-c), CP Bullet Series pistons #C...

LS2 Head 408 CID - Includes 4340 forged crank (4.000" stroke) w/58 tooth reluctor wheel, ProH2k rods (6.125" c-to-c), CP Bullet Series pistons #C...

LS2 Head 427 CID - Includes 4340 forged crank (4.000" stroke) w/58 tooth reluctor wheel, ProH2k rods (6.125" c-to-c), CP Bullet Series pistons #C...

LS2 Head 427 CID - Includes 4340 forged crank (4.000" stroke) w/58 tooth reluctor wheel, ProH2k rods (6.125" c-to-c), CP Bullet Series pistons #C...

LS2 Head 403 CID - Includes 4340 forged crank (4.000" stroke) w/58 tooth reluctor wheel, ProH2k rods (6.125" c-to-c), CP Bullet Series pistons #C...

LS2 Head 408 CID - Includes 4340 forged crank (4.000" stroke) w/58 tooth reluctor wheel, ProH2k rods (6.125" c-to-c), CP Bullet Series pistons #C...

LS2 Head 403 CID - Includes 4340 forged crank (4.000" stroke) w/58 tooth reluctor wheel, ProH2k rods (6.125" c-to-c), CP Bullet Series pistons #C...

LS2 Head 408 CID - Includes 4340 forged crank (4.000" stroke) w/58 tooth reluctor wheel, ProH2k rods (6.125" c-to-c), CP Bullet Series pistons #C...

Chevrolet LS2/LS7 - Darton #600-170 M.I.D. Block Sleeves (4.170" - 4.200" Bore) - 4.165" Semi Bore Size

Chevy/GM 6.6L DuraMax Diesel - ProHD Series w/ARP2000 7/16" Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecti...

Clevite Race Series HX - 2.015" Rods only

Connecting Rod Bushing - .787" / 20mm Diameter - Aluminum Bronze material - Item is sold as 1 only unit, specify total quantity required when order...

Connecting Rod Bushing - .827" / 21mm Diameter - Aluminum Bronze material - Item is sold as 1 only unit, specify total quantity required when order...

Connecting Rod Bushing - .866" / 22mm Diameter - Aluminum Bronze material - Item is sold as 1 only unit, specify total quantity required when order...

Connecting Rod Bushing - .905" / 23mm Diameter - Aluminum Bronze material - Item is sold as 1 only unit, specify total quantity required when order...

Made from premium, 4340 steel billet material, Brian Crower connecting rods are available in two distinct styles depending on horsepower, budget an...

Made from premium, 4340 steel billet material, Brian Crower connecting rods are available in two distinct styles depending on horsepower, budget an...

Brian Crower billet cranks are CNC machined on state-of-the-art mills from round bar, premium 4340 chromoly steel to ensure the strongest possible ...

4340 billet. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. F...

Brian Crower billet cranks are CNC machined on state-of-the-art mills from round bar, premium 4340 chromoly steel to ensure the strongest possible ...

Brian Crower billet cranks are CNC machined on state-of-the-art mills from round bar, premium 4340 chromoly steel to ensure the strongest possible ...

Brian Crower billet cranks are CNC machined on state-of-the-art mills from round bar, premium 4340 chromoly steel to ensure the strongest possible ...

Custom Aluminum Connecting Rods made to order w/ARP2000 7/16" Fasteners (Nissan TB48 - Custom)

Custom Aluminum Connecting Rods made to order w/ARP2000 7/16" Fasteners (Toyota 1FZFE - Custom)

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprie...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...