This is a "Precision PTE Next Gen PT5658 E Cover" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.
The 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
Please note: If you are ordering this turbo without an Actuator, the exhaust housing wastegate port will be significantly larger. This is process is exclusively done for Gn1Performance by Precision to eliminate boost creep issues while running an external wastegate setups.
HP Rating: 770
Exclusive NEXT GEN 56mm CEA® (Competition Engineered Aerodynamics) compressor wheel machined from a 2618-aluminum forging
Compressor cover enhancements provide 10% more flow over the previous GEN 2 cover
Air-cooled, dual ceramic ball-bearing center housing rotating assembly (CHRA)
High flow/ highly efficient 58mm & 62mm CEA turbine wheel
