Wilwood SL6/FSL4 Hydraulic Crossover Tubes, Four-Piece Set for 1.10-Inch Rotors

Wilwood's four-tube kit suits listed SL6/FSL4 calipers with 1.10-inch rotors. Check the 4.42-inch tube reference and the original M10 fittings. Camarillo, California is home to Wilwood Engineering, founded by Bill Wood in 1977. Wilwood designs and manufactures disc brake systems, with calipers, brake rotors, master cylinders, fittings, valves and lines serving motorsport, street-performance and specialized uses. Select individual parts to meet the needs of the complete brake system.

Technical Details

• Manufacturer part number: 190-5974
• Package: Four tubes
• Manufacturer end-thread designation: M10-1.00 B; verify the fitting seat as well as the thread
• Published tube length reference: 4.42 inches; compare the complete formed-tube geometry
• Component: Rigid caliper hydraulic crossover tube assembly
• Material: Stainless steel

Fitment & Compatibility

Crossover tube assembly for BSL6/FSL4 calipers with an 1.10 rotor width. This is the hydraulic connection across the specified caliper body. Compare the complete tube route, end threads and sealing seats with the original assembly; it is not a vehicle flexline or a universal tube kit.

Manufacturer Reference

Wilwood component specifications and dimensions

For fitment assistance backed by more than 20 years of experience, share the installed brake configuration with PMB Performance before ordering.