Nissan

VQ37HR 4.34L - Includes 4340 billet crank, 92mm stroke (self balance), ProH2K rods (5.886" c-to-c), and custom pistons (choice of bore/compression)...

Nissan VQ37HR -Ì_åÇ__ ProH2K (formerly Sportsman) w/ARP2000 Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecti...

Nissan VQ37HR - ProH625+ w/ARP Custom Age 625+ Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods deliv...

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

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

VQ37HR 4.34L - Includes 4340 billet crank, 92mm stroke (fully balanced), ProH2K rods (5.974 c-to-c), and custom pistons (choice of bore/compression...

VQ37HR 4.34L - Includes 4340 billet crank, 92mm stroke (fully balanced), ProH2K rods (5.886" c-to-c), and custom pistons (choice of bore/compressio...

Nissan VR38DETT - ProHD H-Beam w/ARP2000 7/16" Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods deliv...

Nissan VR38DETT - ProHD I-Beam Series w/ARP 7/16" Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods de...

BC Made In Japan Head Gaskets - Nissan VR38DETT - 96mm Bore

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

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

Nissan VR38DETT - Darton #800-215 M.I.D. Block Sleeves (95 to 100mm Bore) - 3.720" Semi Bore Size

4.45L - Includes EN30B billet crank, 94.4mm stroke unbalanced, ProHD H-Beam rods with 7/16 fasteners (6.496" c-to-c), and custom pistons (choice of...

4.45L - Includes EN30B billet crank, 94.4mm stroke unbalanced, ProHD rods with Custom Age 625+ fasteners (6.496" c-to-c), and custom pistons (choic...

4.45L - Includes EN30B billet crank, 94.4mm stroke fully balanced, ProHD H-Beam rods with 7/16 fasteners (6.496" c-to-c), and custom pistons (choic...

4.45L - Includes EN30B billet crank, 94.4mm stroke fully balanced, ProHD I-Beam rods with Custom Age 625+ fasteners (6.496" c-to-c), and custom pis...

Shelf Pistons: CP stocking pistons are made from premium 2618 aluminum forgings that are application specific. CP pistons feature CNC craftsmanship...

Shelf Pistons: CP stocking pistons are made from premium 2618 aluminum forgings that are application specific. CP pistons feature CNC craftsmanship...

Shelf Pistons: CP stocking pistons are made from premium 2618 aluminum forgings that are application specific. CP pistons feature CNC craftsmanship...

Shelf Pistons: CP stocking pistons are made from premium 2618 aluminum forgings that are application specific. CP pistons feature CNC craftsmanship...

Shelf Pistons: CP stocking pistons are made from premium 2618 aluminum forgings that are application specific. CP pistons feature CNC craftsmanship...

BC steel spring seats are CNC machined from hardened 4140 round bar chromoly steel to exacting tolerances. Spring # BC1010-1 O.D. 0.837" Ste...

BC steel retainers are CNC machined from hardened 4140 round bar chromoly steel to exacting tolerances. BC recommends using steel retainers for all...

BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. BC recommends using titanium retainers on dual springs...

BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. BC recommends using titanium retainers on dual springs...

BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. BC recommends using titanium retainers on dual springs...

BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. BC recommends using titanium retainers on dual springs...

BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. BC recommends using titanium retainers on dual springs...

BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. BC recommends using titanium retainers on dual springs...

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...

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...

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...

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...

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...

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...

Seibon Carbon components are carefully hand-crafted using only the finest materials. Our production team offers superior craftsmanship with over 15...

The Original Circuit Hero extended shift lever provides an additional 90mm upwards shifter extension (120mm overall once mounted to OEM shifter), p...

The Original Circuit Hero extended shift lever provides an additional 90mm upwards shifter extension (120mm overall once mounted to OEM shifter), p...

The Circuit Hero Type-A shift knob is a weighted spherical ergonomic shape that feels natural to shift. Available in machine or polished finishes w...

The Circuit Hero Type-A shift knob is a weighted spherical ergonomic shape that feels natural to shift. Available in machine or polished finishes w...

The Circuit Hero Type-B shift knob is a weighted "teardrop" or "light bulb" ergonomic shape that feels natural to shift. Features: 81mm tall 43mm ...

The Circuit Hero Type-B shift knob is a weighted "teardrop" or "light bulb" ergonomic shape that feels natural to shift. Features: 81mm tall 43mm ...

The Competition Clutch Stage 2 - Street Series 2100 Clutch Kit provides approximately 80% increase in torque capacity and is properly suited for ag...

The Competition Clutch Stage 4 - Strip Series 1620 Clutch Kit, available with a double spring, six rivet carriage is good for ease of gear transiti...