Wilwood Rear Red Superlite 4R Caliper & GT Rotor Kit, Chevrolet / GMC C1500 (1988–1998), 14.00-Inch

Wilwood configures this rear Superlite 4R kit around 14.00 × 1.10-inch rotors for Chevrolet / GMC C1500 (1988–1998). The selected red calipers use 4 service pistons each; matching the factory or specified conversion hardware is essential to the complete installation. Camarillo, California is home to Wilwood Engineering, founded in 1977 by Bill Wood. The company designs and manufactures disc-brake systems for motorsport, street-performance and specialized applications. Calipers, brake rotors, master cylinders, valves, fittings and brake lines form a range whose individual components must match the complete braking system.

Technical Details

• Manufacturer part number: 140-17543-R; supplied as an axle kit.
• Brake rotor size: 14.00-inch outside diameter × 1.10-inch thickness; vented friction section.
• Service calipers: Forged Narrow Superlite 4R; 4 pistons per caliper; Red Powder Coat; radial mounting; stainless pistons.
• Hardware and retained components: Mounting hardware supplied; existing wheel hubs retained; spindles, master cylinder and brake booster are not included.
• Housing-flange requirement: 88-98 C1500 flange; 3.25-inch axle offset, measured using the manufacturer worksheet.
• Rotor/hat mounting-hole pattern: 5 x 5 in; 5 x 127 mm; cataloged hole clearances 0.580 in; 14.73 mm. These are rotor or hat drillings, not replacement wheel studs. The retained hub or axle determines the vehicle wheel pattern.
• Wheel envelope: 18-inch minimum nominal wheel diameter; verify the entire wheel-clearance drawing, including spoke and barrel shape.
• Rotor hats: Aluminum parking brake hat - standard; Black E-Coat; hat offset 1.950 inches. Hat offset is distinct from axle offset.
• Rotor specification: Material: Spec-37 Iron; Type: GT 48 Curved Vane; Style: GT Slotted; Surface Finish: Black Electro Coat.
• Hydraulic sizing: cataloged bore sizes 1.12, 1.12 inches; piston area 1.98 square inches; inlet 1/8-27 NPT.
• Hydraulic lines: Hydraulic flexlines and fittings are not included; select compatible lines for the complete installation.
• Supplied friction pads: BP-10 compound; match operating conditions to the intended use.
• Parking brake: Internal shoe parking brake supplied; modify the original cable with included cable-end adapter kit 330-17540.

Fitment & Compatibility

This 14-inch rear package uses the five-lug C1500 axle documented in DS1564. Verify the 3.25-inch offset, axle flange and the Chevrolet/GMC model row below before removing the original drum brakes. Clearance is based on the complete 18-inch wheel drawing. The OE parking cable needs cutting and adaptation using the included cable-end kit; select separate hydraulic hoses for the final axle installation. Use the fitment table below to check the complete application and option notes.

PMB Performance brings more than 20 years of parts experience to fitment questions. Send your VIN and details of the installed brakes so we can help check the application.

Review Installation instructions, Technical bulletin for the complete installation and clearance requirements.

Manufacturer Warning

Applicable to brake pads only. WARNING: This product can expose you to chemicals including Arsenic, Cadmium, Chromium (Hexavalent compounds), Lead, Nickel, Cobalt and Antimony Trioxide which are known to the State of California to cause cancer or other reproductive harm. For more information go to www.p65warnings.ca.gov.