SKU: WIL140-3623-BD
UPC: 889545022414
MPN: 140-3623-BD
The Rear Drag Kit Big Ford 2.5in Offset by WILWOOD is purpose-built for serious drag racing and competition vehicles where stopping power and weight transfer control are non-negotiable. This kit addresses the unique braking demands of Big Ford platforms during high-speed acceleration, where rear brake engagement must be precisely tuned to prevent wheel lockup and maintain stability during the launch phase. Whether you're running a dedicated drag strip competitor or a street/strip hybrid, this rear brake system delivers the modulation and consistency required for repeatable 60-foot times and predictable handling under extreme deceleration.
The 2.5-inch offset geometry is engineered to optimize caliper mounting clearance and brake line routing on Big Ford rear axle housings, allowing seamless integration with modern proportioning valves and adjustable bias controllers. WILWOOD's drag-focused design incorporates staggered piston diameters and optimized pad materials that generate repeatable friction curves across wide temperature ranges—critical for maintaining brake feel when ambient conditions and track temperature vary between qualifying runs and final eliminations. The robust cast-iron construction and precision-machined components ensure consistent performance across multiple heat cycles, reducing brake fade and improving confidence during hard stops from triple-digit speeds.
Competitors running tube-frame dragsters, vintage muscle cars, or dedicated bracket racers on Big Ford rearends benefit most from this kit's precision calibration and repeatable performance envelope. Installation requires verification of caliper clearance against suspension components and confirmation that your existing brake lines and proportioning valve are compatible with the 2.5-inch offset geometry. The complete kit weighs 25.6 lbs and measures 13.3 x 7.7 x 13.4 inches, making it suitable for both traditional and modern drag chassis designs where compact packaging and weight distribution are critical tuning variables.
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