Stainless Steel Intake and Exhaust Valve Set This is a set of "Severe Duty Pro Flo Intake and Exhaust Valves" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These Valves are for Factory Iron production... MSRP: Was: Now: $489.00 Add to Cart
PAC Roller Cam Valve Spring Kit 1201X This is a "ROLLER CAMSHAFT PAC VALVE SPRING KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a Pac 1201-X Spring set. OD Outer: 1.260 ID Outer: 0.860... MSRP: Was: Now: $479.00 Choose Options
ARP Head Studs This is a Set of "ARP HEAD STUDS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. MSRP: Was: Now: $135.00 Choose Options
Custom Gn1 Performance Cometic Head Gaskets .040" This is a pair of "COMETIC HEAD GASKETS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The thickness is .040" MSRP: Was: Now: $199.00 Choose Options
Valve Springs This is a set of "Isky Valve Springs" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These valve springs are great for factory flat tappet replacement or new... MSRP: Was: Now: $199.00 Choose Options
Ported Heads Cast Iron Heads This is a GN1Performance "PORTED CAST IRON HEADS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The heads feature a 170 stainless valves and exhaust are 160...
Stage 1 and Stage 2 Cometic Head Gaskets .040" This is a pair of "COMETIC HEAD GASKETS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The thickness is.040" MSRP: Was: Now: $199.00 Choose Options
PAC Roller Cam Valve Spring Kit 1201 This is a "ROLLER CAMSHAFT PAC VALVE SPRING KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a Pac 1201 Spring set. OD Outer: 1.260 ID Outer: 0.860... MSRP: Was: Now: $399.00 Choose Options
Aluminum Heads This is a set of "Champion GN1 ALUMINUM HEADS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The heads feature stainless valves. these are for competition use... MSRP: Was: Now: $3,895.00
