AC Drier Heat Shield This is a GN1Performance "AC DRIER HEAT SHIELD" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a nice item for those who are running A/C in their cars and need it to perform at its absolute best. This item... MSRP: Was: Now: $169.00 Add to Cart
Precision GEN 2 46mm Wastegate This is a "Precision PTE GEN 2 46mm Wastegate" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Precision Turbo and Engine Gen2 Wastegates Precision Turbo and Engine Gen2 wastegates are high-quality, economical, and... MSRP: Was: Now: $399.00 Add to Cart
KB4 Stainless Steel Headers with Wastegate and Blow Off This is a set of GN1Performance "KB 4 HEADERS with 46mm Wastegate, Blow Off Tube, and Boost Controller Combo" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Included in this kit is a custom welded passenger side... MSRP: Was: Now: $999.00 Choose Options
SE Headers This is a set of GN1Performance "SE HEADERS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.They feature HUGE ports. These headers are only available in none polished raw stainless finish. They are complete... MSRP: Was: Now: $949.00 Choose Options
KB4 4 Bolt Stainless Steel Headers This is a set of GN1Performance "KB-4 HEADERS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.The difference between these and the regular "KB Headers" is a 4 bolt flange rather than a 3 bolt. They... MSRP: Was: Now: $849.00 Choose Options
KB3 Stainless Steel Headers with Wastegate and Blow Off This is a set of GN1Performance "KB HEADERS with 46mm Wastegate, Blow Off Tube, and Boost Controller Combo" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Included in this kit is a custom welded passenger... MSRP: Was: Now: $999.00 Choose Options
KB3 Stainless Steel Headers This is a set of GN1Performance "KB HEADERS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.They feature HUGE ports and are welded all the way around each tube! These headers are only available in none... MSRP: Was: Now: $849.00 Choose Options
Header Clamps This is a pair of 2.25" heavy duty header clamps. These work on aftermarket headers only. Replace your old clamps with new ones as a good insurance for them not to break on you. MSRP: Was: Now: $59.00 Add to Cart
Copper Header Gaskets This is a set of "COPPER HEADER GASKETS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Clean, flat surfaces are essential to a good seal and the best way to seal a exhaust is with Copper exhaust gaskets. MSRP: Was: Now: $59.00 Add to Cart
