Billet Adjustable Timing Tab PR67277C Timing Chains 287 Compression Ratio with

287 Compression Ratio with

coolant temp

1964-66 Chevrolet Full Size Oldsmobile: 1964-66 All Models (Std

These have been tested with factory size crank pulley diameter

The control knob mounts to the dash board for easy and accurate timing adjustments up to 15°

Billet Adjustable Timing Tab PR67277C Timing Chains 287 Compression Ratio withBillet Adjustable Timing TabWith Built In L. E. D Timing Light Suit SB Chev 8" Balancer PR67277C 67277C This billet aluminium timing tab has a built in self powered LED timing light or car battery hookup. Permanently mounted so there's no need for additional timing lights. The hands free design allows one person to set timing!