Polished Aluminium Timing Chain Cover RPCR6040Polished Aluminium Timing Chain CoverSuit S B Chev 283 350, Includes Gaskets & Bolts RPCR6040 CR6040 Replace your old, leaking and worn out stock timing cover with a brand new RPC unit! The heavy duty aluminium design is available in polished, chrome, black and raw finishes. Kits include front main seal, gaskets and hardware. *DOES NOT CLEAR DOUBLE ROLLER CHAIN, Includes: Timing Chain Cover Gasket Water Pump Gaskets Timing Cover Crank Seal 10 x Timing