Wilwood Black Rear D154 Parking Brake Kit, Large Chevy C10 Five-Lug 2.42-Inch Offset, Chevrolet/GMC Trucks, Vans and SUVs (1963–1987)

SKU: 140-12569

$1,022.00 Sale
Shipping calculated at checkout.

Fitment questions?

Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.

Product details

Wilwood's black D154 rear kit converts the specified large Chevy C10-style five-lug axle end to disc service brakes with internal parking shoes. Plain 12.19-inch vented rotors work with two-piston floating calipers. The broad Chevrolet/GMC applications still require the correct rear flange and 2.42-inch offset; front-spindle equipment does not establish this rear mounting interface. Wilwood Engineering was founded by Bill Wood in 1977 and is based in Camarillo, California. The company designs and manufactures disc brake systems and components, including calipers, brake rotors, master cylinders, valves, fittings, and brake lines for motorsport, street-performance, and specialized applications.

Technical Details

  • Manufacturer part number: 140-12569
  • Type: D154 Rear Parking Brake Kit
  • Calipers: D154; 2 pistons per caliper; Black Powder Coat.
  • Caliper bore sizes: 1.12, 1.12 inches. Piston type: Stainless.
  • Included pad compound: BP-10.
  • Rotors: 12.19-inch diameter × 0.81-inch thickness; Plain Face; Iron; Plain surface; 32 vanes.
  • Rear housing end: Large Chevy C10.
  • Required axle flange offset: 2.42 inches.
  • Bolt pattern: 5 x 4.5 in; 5 x 114.3 mm; 5 x 4.75 in; 5 x 120.65 mm; 5 x 5 in; 5 x 127 mm.
  • Included: paired calipers, pads, rotors, mounting brackets and assembly hardware, internal parking-brake shoe assemblies.
  • Hydraulic lines and fittings selected separately. No master cylinder, booster or spindles are supplied.
  • Parking-brake cables, clevis hardware and adapters are separate.
  • Conditional wheel screening size: 16 inches. Use the installation clearance diagram to verify the actual barrel and spoke profile.
  • Axle-flange limit: 6.61-inch maximum diameter with the specified 0.050-inch × 45-degree chamfer. The drawing is for half-inch wheel studs and recommends upgrading smaller original studs; verify any larger-stud machining separately.

Fitment & Compatibility

Compare the actual axle with DS924, including its flange pattern, register and five-lug arrangement. The manufacturer specifically identifies C10/C15 truck applications as five-lug only. Parking-cable hardware and hydraulic hoses are separate. Verify wheel clearance from the complete outline: the 16-inch screening figure and possible 15-inch-wheel note are conditional on actual spoke and barrel dimensions. Check the hydraulic system and parking-cable travel together.

Match the individual model, year, submodel and brake configuration in the fitment table below.

Wilwood installation documents: Installation instructions; Technical bulletin.

PMB Performance has over 20 years of brake-system experience. Contact us with your vehicle details and installed brake hardware for help confirming the correct arrangement.

California Proposition 65 warning, 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.

Years Make Model Submodel Model option Front brakes Rear brakes Kit application Notes
1963-1967 Chevrolet C10 Panel 4 x 2 Drum Drum Rear Kit 1, 2, 3, 4
1963-1967 Chevrolet C10 Panel Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1967 Chevrolet C10 Panel Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1967 Chevrolet C10 Panel Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1967 Chevrolet C10 Panel Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1970 Chevrolet C10 Pickup 4 x 2 Drum Drum Rear Kit 1, 2, 3, 4
1963-1974 Chevrolet C10 Pickup Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1974 Chevrolet C10 Pickup Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1974 Chevrolet C10 Pickup Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1974 Chevrolet C10 Pickup Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1966 Chevrolet Suburban 4 x 2 Drum Drum Rear Kit 1, 2, 3, 4
1963-1966 Chevrolet Suburban 4 x 4 Drum Drum Rear Kit 1, 2, 3, 4
1963-1966 Chevrolet Suburban Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1966 Chevrolet Suburban Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1966 Chevrolet Suburban Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1966 Chevrolet Suburban Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1964 GMC 1000 Series 4 x 2 Drum Drum Rear Kit 1, 2, 5, 3, 4
1963-1965 GMC 1000 Series Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1965 GMC 1000 Series Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1965 GMC 1000 Series Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1965 GMC 1000 Series Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1964 GMC Suburban 4 x 2 Drum Drum Rear Kit 1, 2, 5, 3, 4
1963-1966 GMC Suburban Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1966 GMC Suburban Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1966 GMC Suburban Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1963-1966 GMC Suburban Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1965, 1967, 1969 Chevrolet C10 Pickup w/ Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 6, 5, 3, 4
1965 GMC 1000 Series 4 x 2 Drum Drum Rear Kit 1, 2, 3, 4
1965 GMC 1000 Series 4 x 4 Drum Drum Rear Kit 1, 2, 3, 4
1965-1966 GMC Suburban 4 x 2 Drum Drum Rear Kit 1, 2, 3, 4
1965 GMC Suburban 4 x 4 Drum Drum Rear Kit 1, 2, 3, 4
1966 GMC 1000 4 x 2 Drum Drum Rear Kit 1, 2, 3, 4
1966 GMC 1000 4 x 4 Drum Drum Rear Kit 1, 2, 3, 4
1966 GMC 1000 Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1966 GMC 1000 Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1966 GMC 1000 Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1966 GMC 1000 Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1970 Chevrolet C10 Suburban 4 x 2 Drum Drum Rear Kit 1, 2, 3, 4
1967-1986 Chevrolet C10 Suburban Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1986 Chevrolet C10 Suburban Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1986 Chevrolet C10 Suburban Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1986 Chevrolet C10 Suburban Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1970 GMC C15/C1500 Suburban 4 x 2 Drum Drum Rear Kit 1, 2, 3, 4
1967-1974 GMC C15/C1500 Suburban Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1974 GMC C15/C1500 Suburban Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1974 GMC C15/C1500 Suburban Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1974 GMC C15/C1500 Suburban Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1970 GMC C1500 Pickup 4 x 2 Drum Drum Rear Kit 1, 2, 3, 4
1967-1974, 1979-1986 GMC C1500 Pickup Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1974, 1979-1986 GMC C1500 Pickup Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1974, 1979-1986 GMC C1500 Pickup Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1967-1974, 1979-1986 GMC C1500 Pickup Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1969-1970 Chevrolet Blazer 4 x 4 Drum Drum Rear Kit 1, 2, 3, 4
1970 Chevrolet Blazer 4 x 2 Drum Drum Rear Kit 1, 2, 3, 4
1970-1974 Chevrolet Blazer Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1970-1974 Chevrolet Blazer Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1970-1974 Chevrolet Blazer Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1970-1974 Chevrolet Blazer Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1970 GMC Jimmy 4 x 2 Drum Drum Rear Kit 1, 2, 3, 4
1970 GMC Jimmy 4 x 4 Drum Drum Rear Kit 1, 2, 3, 4
1970-1982 GMC Jimmy Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1970-1982 GMC Jimmy Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1970-1982 GMC Jimmy Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1970-1982 GMC Jimmy Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1971-1972 Chevrolet Blazer 4 x 2 w/ OE Disc Brake Spindle Disc Drum Rear Kit 1, 2, 3, 4
1971-1974 Chevrolet C10 Pickup Disc Brake Spindle (OE) Disc Drum Rear Kit 1, 2, 3, 4
1971-1980 Chevrolet C10 Suburban Disc Brake Spindle (OE) Disc Drum Rear Kit 1, 2, 3, 4
1971-1974, 1979-1980 GMC C1500 Pickup Disc Brake Spindle (OE) Disc Drum Rear Kit 1, 2, 3, 4
1971-1982 GMC Jimmy 4 x 2 Disc Brake Spindle (OE) Disc Drum Rear Kit 1, 2, 3, 4
1971-1972 GMC P15 Series 4 x 2 w/ OE Disc Brake Spindle Disc Drum Rear Kit 1, 2, 3, 4
1973-1974 Chevrolet Blazer 4 x 2, OE Disc Brake Spindle Disc Drum Rear Kit 1, 2, 3, 4
1973-1974 Chevrolet Blazer Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1973-1974 Chevrolet C10 Pickup Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1973-1986 Chevrolet C10 Suburban Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1973-1974 Chevrolet G10 Van All Disc Drum Rear Kit 1, 2, 3, 4
1973-1974 Chevrolet G20 Van All Disc Drum Rear Kit 1, 2, 3, 4
1973-1974 GMC C15/C1500 Suburban Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1973-1974, 1979-1986 GMC C1500 Pickup Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1973-1982 GMC Jimmy Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1973-1980 GMC P15 Series All Disc Drum Rear Kit 1, 2, 3, 4
1975-1980 Chevrolet C10 Disc Brake Spindle (OE) Disc Drum Rear Kit 1, 2, 3, 4
1975-1986 Chevrolet C10 Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1986 Chevrolet C10 Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1986 Chevrolet C10 Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1986 Chevrolet C10 Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1986 Chevrolet C10 w/ Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 6, 5, 3, 4
1975-1987 Chevrolet G10 Beauville Beauville Disc Drum Rear Kit 1, 2, 3, 4
1975-1987 Chevrolet G10 Chevy Van Chevy Van Disc Drum Rear Kit 1, 2, 3, 4
1975-1987 Chevrolet G10 Sportvan Sportvan Disc Drum Rear Kit 1, 2, 3, 4
1975-1980 Chevrolet K5 Blazer 4 x 2, OE Disc Brake Spindle Disc Drum Rear Kit 1, 2, 3, 4
1975-1982 Chevrolet K5 Blazer Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1982 Chevrolet K5 Blazer Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1982 Chevrolet K5 Blazer Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1982 Chevrolet K5 Blazer Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1982 Chevrolet K5 Blazer Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1978 GMC C15 Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1978 GMC C15 Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1978 GMC C15 Suburban Disc Brake Spindle (OE) Disc Drum Rear Kit 1, 2, 3, 4
1975-1978 GMC C15 Suburban Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1978 GMC C15 Suburban Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1978 GMC C15 Suburban Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1975-1978 GMC C15 Suburban Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1979-1980 GMC C1500 Suburban Disc Brake Spindle (OE) Disc Drum Rear Kit 1, 2, 3, 4
1979-1986 GMC C1500 Suburban Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1979-1986 GMC C1500 Suburban Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1979-1986 GMC C1500 Suburban Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1979-1986 GMC C1500 Suburban Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1979-1986 GMC C1500 Suburban Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1981-1986 Chevrolet C10 With 1.00" Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1981-1986 Chevrolet C10 With 1.25" Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1981-1986 Chevrolet C10 Suburban With 1.00" Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1981-1986 Chevrolet C10 Suburban With 1.25" Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1981-1982 Chevrolet K5 Blazer 4 x 2 Disc Drum Rear Kit 1, 2, 3, 4
1981-1986 GMC C1500 Pickup 4 x 2 w/ 1.00" Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1981-1986 GMC C1500 Pickup 4 x 2 w/ 1.25 Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1981-1986 GMC C1500 Suburban 4 x 2 w/ 1.00" Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1981-1986 GMC C1500 Suburban 4 x 2 w/ 1.25 Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1983 Chevrolet G10 Base Base Disc Drum Rear Kit 1, 2, 3, 4
1983-1984, 1986-1987 Chevrolet G10 Bonaventure Bonaventure Disc Drum Rear Kit 1, 2, 3, 4
1985-1987 Chevrolet G20 Beauville Beauville Disc Drum Rear Kit 1, 2, 3, 4
1985-1987 Chevrolet G20 Chevy Van Chevy Van Disc Drum Rear Kit 1, 2, 3, 4
1985-1987 Chevrolet G20 Sportvan Sportvan Disc Drum Rear Kit 1, 2, 3, 4
1987 Chevrolet R10 Pickup 4 x 2 w/ 1.00" Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1987 Chevrolet R10 Pickup 4 x 2 w/ 1.25 Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1987 Chevrolet R10 Pickup Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 Chevrolet R10 Pickup Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 Chevrolet R10 Pickup Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 Chevrolet R10 Pickup Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 Chevrolet R10 Pickup w/ Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 6, 5, 3, 4
1987 Chevrolet R10 Suburban 4 x 2 w/ 1.00" Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1987 Chevrolet R10 Suburban 4 x 2 w/ 1.25 Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1987 Chevrolet R10 Suburban Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 Chevrolet R10 Suburban Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 Chevrolet R10 Suburban Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 Chevrolet R10 Suburban Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 Chevrolet R10 Suburban Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 GMC R1500 Pickup 4 x 2 w/ 1.00" Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1987 GMC R1500 Pickup 4 x 2 w/ 1.25 Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1987 GMC R1500 Pickup Vehicles using CPP 2" Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 GMC R1500 Pickup Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 GMC R1500 Pickup Vehicles using Ridetech Drop Spindle Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 GMC R1500 Pickup Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 GMC R1500 Pickup Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 GMC R1500 Suburban 4 x 2 w/ 1.00" Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1987 GMC R1500 Suburban 4 x 2 w/ 1.25 Wide Front Rotor Disc Drum Rear Kit 1, 2, 3, 4
1987 GMC R1500 Suburban Vehicles using DSE Drop Spindle. Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 GMC R1500 Suburban Vehicles using Wilwood Aluminum Modular ProSpindles, 5 Lug only Drop Drum Rear Kit 1, 2, 5, 3, 4
1987 GMC R1500 Suburban Vehicles using Wilwood Iron ProSpindles Drop Drum Rear Kit 1, 2, 5, 3, 4