Wilwood Forged Superlite Internal 4 Caliper - 1.88", 1.75" Piston Diameter, 1.250" Rotor Thickness - LH Rear Side Mount R060015YS They also have 3 trap

They also have 3 trap doors and a crank scraper

These MID-LENGTH TUBE headers are designed specifically for swapping a 351W engine into (non-factory 351W equipped) 1964-73 Ford Mustang

GM Duramax 2006-07

1993-1993 Dodge D350

Best when used with better heads

Wilwood Forged Superlite Internal 4 Caliper - 1.88", 1.75" Piston Diameter, 1.250" Rotor Thickness - LH Rear Side Mount R060015YS They also have 3 trapFSLI4 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