Head StudsARP uses premium grade 8740 alloy that is heat treated to 200,000 p.s.i. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat treat, ea ...mere

KEEPERS/LOCKS - Subaru EJ Series 6mm Stem (fits BC2300-16 retainers)

RETAINERS - TITANIUM (Subaru EJ205-WRX / EJ257-STi, Toyota 3SGTE)

SINGLE SPRING/STEEL RETAINER KIT (Subaru EJ Series, Toyota 3SGTE/GE)

SINGLE SPRING/TITANIUM RETAINER KIT (Subaru EJ Series, Toyota 3SGTE/GE)

STROKER KIT - Subaru EJ205-WRX - 75mm Stroke Billet Crank, BC625+ Rods, Custom Pistons

STROKER KIT - Subaru EJ205-WRX - 75mm Stroke Billet Crank, I Beam Rods, Custom Pistons

STROKER KIT - Subaru EJ205-WRX - 75mm Stroke Billet Crank, Sportsman Rods, Custom Pistons

STROKER KIT - Subaru EJ205-WRX - 79mm Stroke Billet Crank, BC625+ Rods, Custom Pistons

STROKER KIT - Subaru EJ205-WRX - 79mm Stroke Billet Crank, I Beam Extreme Rods, Pistons

STROKER KIT - Subaru EJ205-WRX - 79mm Stroke Billet Crank, I Beam Rods, Custom Pistons

STROKER KIT - Subaru EJ205-WRX - 79mm Stroke Billet Crank, Sportsman Rods, Custom Pistons

The BC625+ rod from BC is the premier industry connecting rod. Incorporating ARP's ultimate fastener, the Custom Age 625+, rated to 280,000 p.s.i., the BC625+ delivers the ultimate clamping ability at high horsepower and rpm. This rod is intended for the true hardcore enthusiast and racer and is rat ...mere

Although the name implies that the Sportsman is a 2nd tier part, the Sportsman incorporates every feature of the premier BC625+ rod, only that the fasteners have been changed to the more economical, yet venerable ARP2000 bolt, rated to 220,000 p.s.i. The Sportsman is rated in excess of 200HP per cyl ...mere

BC offers an I-Beam style connecting rod for those who prefer that traditional design over the H Beam style. The I-Beam is a proven configuration that is very popular among the forced induction crowd. Features ARP2000 bolts standard, ARP625+ Custom Age bolts are available as an upgrade for an additi ...mere

BC offers an I-Beam style connecting rod for those who prefer that traditional design over the H Beam style. The I-Beam is a proven configuration that is very popular among the forced induction crowd. Features ARP2000 bolts standard, ARP625+ Custom Age bolts are available as an upgrade for an additi ...mere

VALVE GUIDES - 6.0mm EXHAUST (Subaru EJ205, EJ257, EJ257B)

VALVE GUIDES - 6.0mm INTAKE (Subaru EJ205, EJ257, EJ257B)

VALVE SPRINGS - DUAL (Honda/Acura B18A/B18B/B20B, Subara EJ Series)

VALVE SPRINGS - SINGLE (Subaru EJ205-WRX / EJ257-STi)

VALVES - 32mm EXHAUST  (Subaru EJ205/EJ257)

VALVES - 33mm EXHAUST  (Subaru EJ205/EJ257)

VALVES - 36mm INTAKE (Subaru EJ205/EJ257)

VALVES - 37mm INTAKE (Subaru EJ205/EJ257)