Wilwood Caliper-Forged Superlite 4 1.88/1.75in Pistons 1.25in Disc Interior Accessories>Seats The 30 micron filter is

The 30 micron filter is best suited for lightweight engine oils and pump gas

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0in OAL Lightweight Muffler - Matte Finish

Traditionally

Wilwood Caliper-Forged Superlite 4 1.88/1.75in Pistons 1.25in Disc Interior Accessories>Seats The 30 micron filter isFSLI4 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