This is a NEW never USED Chevy SBC BBC Distributor Brass Gear, for a. 500" shaft.
Distributor Gear ALLSTAR 81311 Chevy GM SBC BBC Corvette Nova Camaro Chevelle
ALLSTAR PERFORMANCE Distributor Gear Iron .491in
ALLSTAR PERFORMANCE Roll Pin 3/16in x 7/8in for Distributor Gear
Ford 429/460 & 351C Carbon Ultra-Poly Distributor gear for Roller Cams .531 Bore
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Pontiac Composite Distributor gear for Solid & Hydraulic Roller Cams w/.491 Bore