The Speedmaster PCE521.1004 is a left-hand side front brake caliper designed as a direct-fit replacement for small GM metric caliper applications spanning 1978 to 1988. Featuring a 5-inch pin configuration and a 7/16-inch brake line inlet, this caliper is engineered to restore proper braking function and maintain OE-style fitment on compatible General Motors vehicles of the era.
Offered by Speedmaster, a trusted name in performance and replacement drivetrain and brake components, this caliper is ideal for restoration, maintenance, or upgrade builds on qualifying 1978–1988 small GM front metric brake setups. Always verify your specific vehicle's caliper requirements before installation to ensure a proper fit.
MPNPCE521.1004
UPC840136556657
