Bexar Pro Components 1973-1987 GM Truck 8-Inch Dual Diaphragm Power Booster & Black Oval Master Cylinder Kit | Disc-Drum Layout
SKU: BPC-CT-404
Bexar Pro Components GradeIn Stock: Ships in Neutral Industrial Packaging
“Precision engineered to restore maximum stopping force for both heavy-duty fleet reliability and premium automotive applications.”
Transition your modern platform to a secure modern footprint with the Bexar Pro Components Premium Power Brake Booster Assembly. Explicitly built for 1973-1987 square body trucks and commercial utility variants, this layout optimizes structural vacuum assist while utilizing a stable blackout layout format. Engineered to deliver unyielding line pressure stability and excellent line feedback performance under continuous heavy vocational cycles. Only include the master cylinder installation guide link for BRAKE master cylinders; do not include it for OTHER PRODUCTS.
| Specification | Detail |
|---|---|
| Kit Type | Power Brake Booster Replacement Combo Package (Disc-Drum) |
| Booster Stance | 8-Inch Dual Diaphragm Firewall Vacuum Assist Assembly |
| Booster Finish | Durable Black Anti-Corrosive Powder Coat Finish |
| Master Finish | Premium Black Powder Coated Aluminum Body Finish |
| Reservoir Design | Sleek Oval Dual Port Fluid System |
| Dual Side Ports featuring Industry-Standard INV Flare Fitting Connections |
🛠️ Expert Installation & Field Note
Based on our shop experience specializing in heavy-duty brakes since 1985:
- Pushrod Alignment: When installing firewall-mounted booster brackets, ensure your structural linkage aligns squarely with the manual pedal arm block. Even minor offset tracking friction creates premature pushrod wear or internal bore score leaks over time.
- Proportioning Valve Setup: Always configure an external proportioning distribution block if you run mismatched disc/drum brake layouts to properly regulate fluid balance pressures.
- Bleeding Sequence: Bench bleed the black oval master cylinder body entirely before plumbing line integration.
CRITICAL: Verify Specifications
This dual-diaphragm hydraulic boost kit requires a minimum vacuum supply threshold of 18 inches at idle to secure linear pedal assistance. Check line fitment clearance closely against custom intake manifold variants or left side inner fender aprons before system structural hard-mounting.
| Weight | 52 lbs |
|---|---|
| Dimensions | 18 × 14 × 12 in |
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