Wilwood Caliper-Forged Superlite 4R-ST-L/H - Anodized 1.25/1.25in Pistons 1.25in Disc 2018-lexus-is300-esi6454925 ARP 3/4in NPT Steel Weld

ARP 3/4in NPT Steel Weld Bung

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stainless steel vanes and precision ground

Crossover tube asssembly for 3rd gen Superlite IIA

If you demand the absolute most from your cooling system

Wilwood Caliper-Forged Superlite 4R-ST-L/H - Anodized 1.25/1.25in Pistons 1.25in Disc 2018-lexus-is300-esi6454925 ARP 3/4in NPT Steel WeldFSL4R 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