Precision Turbo Next Gen 5658 Compressor Cover - Turbine Housing - A/R:T4 Open 4-Bolt - .58 A/R Designed for engines running our

Designed for engines running our special oversized B58 head studs with ARP insert washers

They also act as a safeguard against sudden engine failure due to oil pressure loss

reduced bore distortion

or the garage

Precision Turbo Next Gen 5658 Compressor Cover - Turbine Housing - A/R:T4 Open 4-Bolt - .58 A/R Designed for engines running ourThe Next GEN 56mm turbo is set to replace the GEN 2 55 and Gen 2 58 turbos. With a state of art 56mm Next GEN compressor wheel machined from a 2618 aluminum forging, the Next GEN 56 will be available in 5658 and 5662 standard rotation configurations. We are also offering a Next GEN 5658 reverse rotation version. The Next GEN 56 is proven to provide exceptional performance. Exclusive NEXT GEN 56mm CEA (Competition Engineered Aerodynamics) compressor