Speedmaster PCE264.1021 Double Roller 2Pc Adj Steel Timing for Chevy BBC

Chevy BBC 454 Double Roller 2pc Adj Billet Steel Timing Chain & Cover Kit PCE Easy-just Timing Chain Set allows you advance or retard your timing 6 without having to remove your valve covers or having to back off your rocker arms. Exact Radial run out tolerance insures your timing adjustments are accurate. Features a billet cam and crank sprocket. The crank sprocket is also heat treated for additional strength. Heavy-Duty roller chain and one-piece roller thrust bearing assembly insure smooth operation. CNC Machined from billet Engineered for accurate, consistent timing, faster acceleration and top-speed performance