ARP HEAD STUDS TO SUIT LS1 LS2 LS3 LSA Motor Variant:LS1(Staggered bolts) spring rate consultation

spring rate consultation

Replace the restrictive factory exhaust system with this brand new PPD Performance Polished Stainless Steel unit

Long Life OE style rubber bushes that are silent and maintenance free

Unfortunately the standard Subaru exhaust setup is quite restrictive to pass mass production emissions and sound legalities

PHC offers a high quality and affordable replacement clutch solutions

ARP HEAD STUDS TO SUIT LS1 LS2 LS3 LSA Motor Variant:LS1(Staggered bolts) spring rate consultationARP HEAD STUDS TO SUIT LS1 LS2 LS3 LSA Made from premium grade 8740 alloy and propriety ARP2000 alloy that are rated far superior to "air craft" quality alloy steels. Providing a more accurate and consistent torque loading over head bolts, they are available for both LS1 Staggered length bolt blocks and the later LS2 3 6 same length style blocks.