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Zinc Valve Covers

 Brand New 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 high quality restored 442 that demand the best. No need to 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 »

1965 -1970 Starfire Dual Exhaust Manifolds

1965 -1970 Starfire Dual Exhaust Manifolds 1965, 1966, 1967, 1968, 1969 & 1970 Starfire dual exhaust manifolds. Driver side only. Correct casting and ready to bolt in. Correct for all big block Olds in B and C bodies, Starfire, Delta 88 and 98. Will fit 400, 425 and 455 Olds motors. This is the more »


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    • THORNTON MUSCLE CARS
      832 Mine Road
      Quakertown, PA 18951

      610-282-2494
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      800-495-0442
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