PBM BBC CHEVY 454 496 RACE BILLET TIMING CHAIN SET OE ROLLER CAM 8999T
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PBM RACE BILLET TIMING CHAIN AND GEAR SET WITH TORRINGTON BEARING.
FITS BBC CHEVY 454 496 STEP NOSE OE ROLLER CAMS ONLY.
The picture above is a file photo. Actual item may appear slightly different.
FITS SBC STEP NOSE OE ROLLER CAMS ONLY.
FOR THOSE NEEDING THIS SAME HIGH QUALITY SET FOR A FLAT NOSE, (RETRO STYLE) EARLY STYLE CAM, SEE OUR OTHER LISTINGS.
This timing set if manufactured by SA Gear. This is a premium timing set as compared to any of the low cost versions on the market. The upper gear is cnc'd from billet steel. The lower gear is induction hardened and has 9 key ways. We use the PBM timing sets in all of our high performance engines. The PBM timing sets are hand matched for perfect sizing. Low cost sets are not size matched to precision. This can affect valve timing to a great degree, and create excessive wear of the chain and sprockets. This timing set also has a torrington bearing. We consider this a valuable feature. Timing sets that don't have this feature will have an excessive amount of drag as the upper gear is pulled against the block when accelerating.
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