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Hydraulic Brake Assist Unit, 1963-67 w/late C2 short rod

High quality, high performance hydraulic brake assist units are a bolt in replacement for your vacuum brake booster.
Hydraulic Brake Assist Unit, 1963-67 w/late C2 short rod
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Sales price $999.99
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1963-67 C2 Corvette Hydraulic Brake Assist System w/PS Lines and Master Cylinder (late / short C2 MC push-rod)


Completely bolt-on system replaces brake power booster. Eliminates brake fade and loss of vacuum experienced with high performance motors.

Performance Features:

  • Greatly improved braking power
  • Improved engine clearance
  • Consistent braking regardless of engine vacuum


Product Features:

  • CNC Machined T6 billet aluminum direct fit firewall mounting plate design
  • This model fits the later C2 "short rod / shallow" master cylinder design
  • For engines with driver's side PS pump - compatible with rack and pinion conversions
  • For use with disc / drum or disc / disc brakes (not for use with 4 wheel drum brakes)
  • Adjustable brake pedal rod allows a range of brake pedal height adjustment
  • PS line set includes over-length hoses with re-usable / re-buildable hose ends
  • 8.75" installed length from firewall to MC mounting flange - no firewall modifications required


  • HydraTech Brake Assist Unit Model # 3003L
  • Pre-Assembled Direct Fit PS Line Set
  • Corvette Master Cylinder # MC8111 (1977-82)
  • Silver Anodized Accumulator*

*Optional chrome or machined aluminum accumulator covers, add $70.


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