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Oils, Fluids and Sealer› Oils, Fluids and Additives
RIGHT STUFF DETAILING
64-74 GM A/F/X-Body Booster Master Combo
SKU: R04Q B81315171
Moderate — 2–4 hours
Overview
Show original supplier description
Part #: B81315171
Master Cylinder and Booster - 1-1/8 in Bore - Dual Integral Reservoir - 8 in OD - Dual Diaphragm - Aluminum - Black Paint - GM A-Body / F-Body / X-Body 1964-74 - Kit
Vehicle Symptoms
- hard brake pedal, no power assist
- brake pedal slowly sinks to floor
- brake fluid leaking from master cylinder
- hissing noise when pressing brakes
- braking distance increased noticeably
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | RIGHT STUFF DETAILING |
| Part Number | R04Q B81315171 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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