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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
Includes 3/8" and 1/2" NPT adapter/fitting
This tunnel ram manifold for standard 23° S/B Chevy heads features include effective methods for the control of high velocity mixture flow
and includes a lid
100" Big end journal size
Harmonic Balancer SCA8008 350-455 Includes 3/8" and 1/2" NPTHarmonic BalancerSuit BB Ford 429 460, Internal Balance, 6. 7" O. D SCA8008 A8008 These dampers feature the stock 3 16" keyway plus a 1 4" keyway 180 from the stock one. This allows the damper to fit aftermarket dual keyway crankshafts. Note that while these engines are classed as an externally balanced engine, the counterweight is a separate (Ford #M 6359 D460) part.
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