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With precision steel billet gears, our keyway timing set for .010" undersized Chevrolet 396-454 Big Block is built with bullet-proof durability. Features 9 keyway crank sprocket for 2 degree adjustment increments and double roller chain.
Keyway Adjustable Billet Timing Set for .010" Undersized BBC 396-454
COMP Cams Billet Timing Set CB -.010in 9
Keyway Adj Timing Set .010" Under BBC
Engine Timing Set
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