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they're guaranteed for life
The Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles
They feature aluminum construction
The outer cases made from 8620 Chrome-Nickel-Moly steel and the case hardened for long life and improved strength
The TorqueWorm is a torque biasing 6 pinion gear type limited-slip unit
Chevy SBC 350 Polished Ribbed Aluminum Valve Covers - Tall w/Hole they're guaranteed for lifeDo you want to finish off your engine in style? Try a set of these Speedmaster finned aluminum valve covers. They are manufactured from cast aluminum and have a polished finish. Speedmaster finned aluminum valve covers feature a classic raised, finned design that adds a unique look to your engine. Speedmaster finned aluminum valve covers are the perfect fit for your engine.
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