Wilwood Superlite Internal 4 Caliper- LH - 1.88" / 1.75" Pistons - .810" Rotor - 3.5" Mount 30009P #2504 and #2506 use #1409/#1410

#2504 and #2506 use #1409/#1410

GMRS License is required

1978-1979 Buick Skylark CID 327 RWD

Includes: 24x LS Engine Main Harness - Multec 2 Injector Harness - Terminator X ECU - ECU Main Power Harness - Bosch LSU 4

Wilwood Superlite Internal 4 Caliper- LH - 1.88" / 1.75" Pistons - .810" Rotor - 3.5" Mount 30009P #2504 and #2506 use #1409/#1410FSLI4 and FSLI4 ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock pistons in the ST models. Differential piston bores compensate for leading edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock pistons in the ST models block heat transfer from the pads and reduce