Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
109 Results Found For "proportioning valve"
Showing In Stock Items. Show All 132 Items.
Not Showing Customizable Items. View Customizable Items.
Disc Brakes, Front, 11 in. Diameter Rotors, Cross-Drilled/Slotted, Vented, 1-Piston Calipers, Mopar, Kit
Part Number: SUM-BK1509-DS
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
BUILD IT WITH SUMMIT!
Summit Racing™ Front Disc Brake Conversion Kit for Challenger, Charger, Coronet, Barracuda, Belvedere, GTX, Road Runner, Satellite
Disc Brakes, Front, 11 in. Diameter Rotors, Solid, Vented, 1-Piston Calipers, Dodge, Mopar, Kit
Part Number: SUM-BK1509
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Master Cylinder, Street Beast Hydraulic Brake Assist, Reservoir, Brake Booster, Chevy, Kit
Part Number: CLP-UNIHBKSB
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Disc Brakes, Front and Rear, Power Assist, Cross-drilled/Slotted Surface Rotors, 1-piston Calipers, Front Spindles, Master Cylinder, Buick, Chevy, Kit
Part Number: CLP-6474FRBP9UG
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Master Cylinder and Brake Booster Assembly, Aluminum Cylinder, Cast Iron Booster, Black, Chevrolet, Kit
Part Number: RSD-BHB735672
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Disc Brake Kit, Front Conversion, Power Assist, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, 5 x 4.75 in. Bolt Pattern, Kit
Part Number: LEB-FC1011-K105
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-FC1002-N605X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Red Powdercoated, 5 x 4.75 in. Bolt Pattern, Kit
Part Number: LEB-RFC1010K105X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-FC1002-L605X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Cross-Drilled/Slotted Rotors, Vented, Cast Iron Calipers, Black, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-BFC1006-305X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Cross-Drilled/Slotted Rotors, Vented, Cast Iron Calipers, Zinc Plated, 5 x 4.75 in. Bolt Pattern, Kit
Part Number: LEB-FC1011-305X
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-FC1002-E105X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Vented Rotors, Cast Iron Calipers, Red Powdercoated, Stock Ride Height, 5 x 4.75 in. Bolt Pattern, Kit
Part Number: LEB-RFC1002-305X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Vented Rotors, Cast Iron Calipers, Red Powdercoated, 2 in. Drop Spindles, 5 x 4.75 in. Bolt Pattern, Kit
Part Number: LEB-RFC1003-305X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Black Powdercoated, Stock Ride Height, Kit
Part Number: LEB-BFC1002M105X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindles, 5 x 4.75 in. Bolt Pattern, Kit
Part Number: LEB-FC1003-E05
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-FC1002-F605X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-LB05
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Cross-Drilled/Slotted Rotors, Vented, Cast Iron Calipers, Black, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-BFC1002-F05X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Cross-Drilled/Slotted Rotors, Vented, Cast Iron Calipers, Black, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-BFC1002-305X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Vented Rotors, Cast Iron Calipers, Red Powdercoated, 5 x 4.75 in. Bolt Pattern, Kit
Part Number: LEB-RFC1011-305X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-FC1002-FB05X
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-FC1002-NB05
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Brake Booster/Master Cylinder, 1973-87 GM & GMC C/K Truck, Black Hydraulic Brake Assist Upper Assembly Kit Disc/Drum
Part Number: RSD-BHB735171
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Disc Brake Kits, Drum to Disc Brake Conversion, Front, Power Assist, Solid Surface Rotors, Natural Cast Iron Calipers, 1-piston, Buick, Chevy, Kit
Part Number: TSB-A123-1
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
