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Part fits the following years:1964, 1965, 1966


1964-66 GTO Master Cylinder/Booster Assembly, Full Show 9" w/"Hammertone" Master Cylinder

Part# C240306


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SAVE: $60.96 Retail: $664.95

OPGI Price: $603.99


Part Type: (A) Aftermarket product, usually an enhancement product
Years: Sold As: EACH
2018 GTO Catalog Page: 251


Available in premium chrome or a powder coated finish

  • NOTE1: Only 1964-66 models (with 9" boosters) come with a proportioning valve. The 1967-72 model (with 11" boosters) does not include a proportioning valve or bracket.

The boosters come in a 9" (1964-66) and 11" diameter (1967-72) and feature an outstanding, smooth chrome finish, while the master cylinders are available in the same superior chrome or a "hammertone" powder coated finish.

Make & ModelYear RangeApplication Details
Chevrolet Chevelle1964-1966 9" w/"Hammertone" Master Cylinder
Chevrolet El Camino1964-1966 9" w/"Hammertone" Master Cylinder
Pontiac GTO1964-1966 9" w/"Hammertone" Master Cylinder
Pontiac LeMans1964-1966 9" w/"Hammertone" Master Cylinder
Pontiac Tempest1964-1966 9" w/"Hammertone" Master Cylinder
Olds Cutlass/4421964-1966 9" w/"Hammertone" Master Cylinder
Buick Skylark1964-1966 9" w/Hammertone Master Cylinder
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