TRZ Motorsports Master Cylinder Adapters (Manual Brake Conversion)

Firewall adapter plates from TRZ Motorsports for a manual brake conversion. They let you mount a 2 bolt Strange Engineering or Wilwood master cylinder. Mounting hardware is included. The master cylinder is sold separately. Choose your vehicle.

Fitment

• 1967-1969 Camaro and Firebird, 1968-1974 Nova (316-MCA)
• 1968-1972 Chevelle A-Body (317-MCA-2)
• 1970-1981 Camaro and Firebird, 1975-1979 Nova (318-MCA)
• 1971-1976 Impala and Caprice B-Body (321-MCA)
• 1977-1996 Impala and Caprice B-Body (322-MCA)
• 1978-1988 Malibu G-Body (319-MCA)
• 1982-2002 Camaro and Firebird (34F-MCA)
• C5 and C6 Corvette (400-MCA)
• S10 and Blazer with angled firewall (S10-MCA-1)
• S10 and Blazer with flat firewall (S10-MCA-2)

Before you order

• S10 and Blazer: check which firewall you have. The same year truck can have an angled firewall or a near vertical one
• C5 and C6 Corvette plates work best with Midwest Machine billet brake pedals

Master cylinder sizing notes from TRZ

• 1.032" bore: for 1, 2 or 4 piston front brakes with 2 or 4 piston rear brakes or rear drums. Strange recommends a 5.5:1 pedal ratio
• TBM 2 piston front with 4 piston rear: .9375" bore, with a 6:1 ratio on a Wilwood master or 6.5:1 on a TBM master
• TBM 4 piston front with 4 piston rear, XS3 or F3 calipers: 1.032" bore, with a 6:1 to 7:1 ratio
• When mixing in another brand of front or rear brakes with TBM, go no larger than 1.032" bore and no smaller than .9375" bore
• TRZ manual brake tech sheet (English): tech sheet (PDF)

See also TBM Brakes.