Fitment questions?
Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.
Product details
The 1.25-inch rotor configuration of the specified SL4/SL6 caliper uses this two-assembly bridge kit. Its 4.250-inch bolts and matching tubes span the intended bridge and retain the original service layout. Wilwood Engineering develops its disc brake range for complete-system compatibility across motorsport, street-performance and specialized applications. Founded by Bill Wood in 1977 and based in Camarillo, California, the company designs and manufactures calipers, rotors, master cylinders, valves, fittings and brake lines as well as complete disc brake systems.
Technical Details
- Manufacturer part number: 230-5978
- Material: Alloy Steel
- Grade: Grade 8
- Head form: Socket Head
- Drive: Hex Drive
- Listed fastener length: 4.250 in
- Thread: 1/4-20
- Finish: Dacromet
- Component quantity: 2 bolts
Fitment & Compatibility
Identify the exact SL4 or SL6 caliper before replacement, including its rotor capacity. These bridge parts restore the specified assembly and do not convert a narrower caliper to a wider rotor.
Wilwood product specifications
With over 20 years of experience, PMB Performance can help you identify the correct service hardware and check how it belongs in the complete assembly.
