The Wilwood Forged Narrow Superlite 6R front big brake kit upgrades 1970s GM muscle cars with six-piston forged billet calipers and 12.88 inch rotors. Each caliper carries a stainless piston set with 1.62 inch and 1.12 inch bores for firm, even pad pressure and strong, repeatable stops. The 12.88 inch GT slotted rotors use Spec-37 iron with a GT-48 curved vane core for strong cooling. Finished in black powder coat, the kit bolts to factory non-ABS disc spindles and includes left and right calipers, rotors, an aluminum hat, and a forged hub. A stainless flexline kit (part 220-10509) is required and sold separately, and 17 inch or larger wheels are needed for caliper clearance.
Specifications
| Type | Forged Narrow Superlite 6R Big Brake Kit (Hub) |
| Position | Front |
| Material | Forged billet aluminum calipers, iron rotors |
| Finish | Black calipers, GT slotted rotors |
| Size | 12.88 in rotor |
| Quantity | 1 kit (both front wheels) |
| Part Number | 140-10485 |
| Pairs With | Flexline kit 220-10509 (required, sold separately) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1975 | Buick | Apollo | Base |
| 1975 | Buick | Apollo | SR |
| 1973-1977 | Buick | Century | Base |
| 1975-1977 | Buick | Century | Custom |
| 1976 | Buick | Century | Indianapolis 500 Pace Car |
| 1973-1975 | Buick | Century | Luxus |
| 1975-1977 | Buick | Century | Special |
| 1977-1978 | Buick | Estate Wagon | Base |
| 1977-1978 | Buick | LeSabre | Base |
| 1977-1978 | Buick | LeSabre | Custom |
| 1977 | Buick | LeSabre | Custom Sport |
| 1978 | Buick | LeSabre | Sport |
| 1973-1977 | Buick | Regal | Base |
| 1976-1977 | Buick | Regal | SR |
| 1975-1978 | Buick | Skylark | Base |
| 1978 | Buick | Skylark | Custom |
| 1976-1978 | Buick | Skylark | S |
| 1978 | Buick | Skylark | Sport |
| 1975-1977 | Buick | Skylark | SR |
| 1976 | Cadillac | Seville | Base |
| 1970,1975-1978 | Chevrolet | Camaro | Base |
| 1975-1978 | Chevrolet | Camaro | LT |
| 1976-1978 | Chevrolet | Camaro | LT Rally Sport |
| 1976-1978 | Chevrolet | Camaro | Rally Sport |
| 1970,1975 | Chevrolet | Camaro | RS |
| 1970 | Chevrolet | Camaro | SS |
| 1970,1977-1978 | Chevrolet | Camaro | Z28 |
| 1975-1977 | Chevrolet | Chevelle | Malibu |
| 1975-1977 | Chevrolet | Chevelle | Malibu Classic |
| 1975-1976 | Chevrolet | Chevelle | Malibu Classic Estate |
| 1975-1977 | Chevrolet | El Camino | Base |
| 1975-1977 | Chevrolet | El Camino | Classic |
| 1977 | Chevrolet | El Camino | Conquista |
| 1975-1977 | Chevrolet | El Camino | SS |
| 1977-1978 | Chevrolet | Impala | Base |
| 1977 | Chevrolet | Impala | Custom |
| 1977-1978 | Chevrolet | Impala | Landau |
| 1973-1974 | Chevrolet | Monte Carlo | Base |
| 1973-1974,1976 | Chevrolet | Monte Carlo | Landau |
| 1973,1975-1977 | Chevrolet | Monte Carlo | S |
| 1975-1978 | Chevrolet | Nova | Base |
| 1976-1977 | Chevrolet | Nova | Concours |
| 1975,1978 | Chevrolet | Nova | Custom |
| 1975 | Chevrolet | Nova | LN |
| 1975-1978 | Chevrolet | Nova | Police |
| 1977-1978 | Chevrolet | Nova | Rally |
| 1976 | Chevrolet | Nova | SS |
| 1975-1977 | GMC | Sprint | Base |
| 1975-1977 | GMC | Sprint | Classic |
| 1975 | GMC | Sprint | High Sierra |
| 1976 | GMC | Sprint | Sierra Madre Del Sur |
| 1975-1976 | GMC | Sprint | SP |
| 1977-1978 | Oldsmobile | Custom Cruiser | Base |
| 1975,1977 | Oldsmobile | Cutlass | 442 |
| 1975 | Oldsmobile | Cutlass | Base |
| 1977 | Oldsmobile | Cutlass | Colonnade |
| 1976-1977 | Oldsmobile | Cutlass | Colonnade S |
| 1975-1977 | Oldsmobile | Cutlass | S |
| 1976-1977 | Oldsmobile | Cutlass | Vista Cruiser |
| 1975-1977 | Oldsmobile | Cutlass Supreme | Base |
| 1977 | Oldsmobile | Cutlass Supreme | Brougham |
| 1976-1977 | Oldsmobile | Cutlass Supreme | Colonnade |
| 1975 | Oldsmobile | Cutlass Supreme | Cruiser |
| 1975 | Oldsmobile | Cutlass Supreme | Hurst |
| 1975-1978 | Oldsmobile | Omega | Base |
| 1976-1978 | Oldsmobile | Omega | Brougham |
| 1978 | Oldsmobile | Omega | Brougham LS |
| 1977 | Oldsmobile | Omega | Deluxe |
| 1976-1977 | Oldsmobile | Omega | F85 |
| 1975 | Oldsmobile | Omega | Salon |
| 1976-1978 | Oldsmobile | Omega | SX |
| 1975 | Oldsmobile | Vista Cruiser | Base |
| 1977-1978 | Pontiac | Bonneville | Base |
| 1977-1978 | Pontiac | Bonneville | Brougham |
| 1978 | Pontiac | Bonneville | Safari |
| 1977-1978 | Pontiac | Catalina | Base |
| 1977-1978 | Pontiac | Catalina | Safari |
| 1975-1978 | Pontiac | Firebird | Base |
| 1975-1978 | Pontiac | Firebird | Esprit |
| 1975-1978 | Pontiac | Firebird | Formula |
| 1975-1978 | Pontiac | Firebird | Trans Am |
| 1975 | Pontiac | Grand Am | Base |
| 1976-1977 | Pontiac | Grand Prix | Base |
| 1975,1977 | Pontiac | Grand Prix | LJ |
| 1975-1977 | Pontiac | Grand Prix | SJ |
| 1975-1977 | Pontiac | LeMans | Base |
| 1975,1977 | Pontiac | LeMans | Safari |
| 1975-1977 | Pontiac | LeMans | Sport |
| 1977-1978 | Pontiac | Phoenix | Base |
| 1978 | Pontiac | Phoenix | LJ |
| 1978 | Pontiac | Phoenix | SJ |
| 1975-1977 | Pontiac | Ventura | Base |
| 1975 | Pontiac | Ventura | Custom |
| 1975 | Pontiac | Ventura | S |
| 1975-1977 | Pontiac | Ventura | SJ |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
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