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1967-1972 Big Block Notched Valve Covers
NEW! 1967-1972 Big Block Notched Valve Covers Brand New, JUST ARRIVED, factory correct notched valve covers for the 1967-1972 Oldsmobile big block 442. With correct baffle design and factory spot welds. ZINC valve covers are plated for corrosion resistance. These valve covers were reproduced for more »
Oil Pans
Oil Pans This oil pan will fit Oldsmobile big block cars 400, 425, 455, 1965-1976, A, B and C body cars. This oil pan was duplicated from an NOS W30 GM oil pan. It was made with the correct GM specs and has the correct drain plug hole with a nylon gasket. It is made more »
1965-1967 Dual Exhaust Manifolds
1965-1967 Dual Exhaust Manifolds High quality GM licensed and approved reproduction part. They are visually and functionally correct. They are NOS quality without the NOS price. Correct replacement for 1965-67 442, Cutlass or any Oldsmobile with a big block. Eliminate hassles and costly repairs for more »
1970-1972 Dual Exhaust Manifolds
1970-72 DUAL EXHAUST MANIFOLDS Brand new castings of the original 1970, 1971, 1972 W30 exhaust manifolds W and Z. They were also used on 1969 big blocks, the only difference was that in 1969 the left manifold had a heat riser. Highly detailed for show quality restorations. LH manifold "W", part #40 more »
350 JR Exhaust Manifolds
Thornton's 350 JR Exhaust Manifolds Brand New, Custom Design! Here is a high performance exhaust manifold that GM never produced. We have produced what everybody was asking for. This is the high performance solution instead of headers. Features: Large 2 1/4" outlet on the driver side man more »