The intake & exhaust manifold bolts, nuts, and studs will stretch and weaken with use, and should be replaced when installing any header. This kit includes:
- (12) Manifold Studs
- (12) Manifold Nuts
- (2) Long Intake Manifold Bolts
- (2) Short Intake Manifold Bolts
We recommend this kit for all 75-83 280Z-280ZX's with N42, N47, P79, or P90 Cylinder Heads, running fuel injection. If you are using an N42, N47, P79, or P90 on your 70-74 240Z-260Z with fuel injection, you need this kit. It will not work with early cylinder heads (E31, E88). If you are installing a carburetor on an N42, N47, P79, or P90, you will need part 15-8080 (see Related Items below).
All L-Series heads also have 6 "spacers" that hold down both the intake manifold and the exhaust manifold/header at the same time. Check to see if these are worn and in need of replacing also (see part 14-0373 in Related Items below).
Datsun 280Z, 280ZX (or 240Z/260Z with fuel injection conversion)
Datsun S30, S130
1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983 (or 1970, 1971, 1972, 1973, 1974 with fuel injection conversion)