Wilwood Forged Narrow Superlite 6R Big Brake Hub Kit - Front (1958-1970 Impala) - 140-10238
Upgrade the stopping power and classic style of your vintage full-size Chevrolet with the Wilwood Forged Narrow Superlite 6R Front Big Brake Kit (140-10238). Engineered specifically for traditional American muscle cars and vintage rods utilizing Classic Performance Products (CPP) 2-inch drop spindles, this kit pairs massive 12.88-inch GT slotted rotors with high-performance 6-piston forged billet calipers to deliver exceptional braking authority.
Designed exclusively for 17-inch and larger wheels, the FNSL6R system transforms your vehicle's braking capability for high-performance street and track driving. The kit features premium black powder-coated 6-piston calipers housing smart-differential stainless steel pistons, paired with Spec-37 iron curved-vane GT rotors and lightweight aluminum hats and hubs. Backed by Wilwood's precision engineering, this direct bolt-on upgrade gives your classic Chevy the modern deceleration and confidence it demands.
Features
- Forged billet 6-piston Narrow Superlite calipers with durable black powder-coat finish
- 12.88" GT 48-curved vane slotted rotors manufactured from proprietary Spec-37 iron with black electro coat finish
- Includes lightweight aluminum big brake hats and machined aluminum front hubs
- High-friction BP-10 smart-pad compound delivering optimized bite, low dust, and quiet operation
- Engineered specifically for vehicles using Classic Performance Products (CPP) 2" drop spindles
- Requires 17-inch or larger wheels (verify clearance using Wilwood's wheel clearance diagram)
Specifications
- SKU / Part Number: 140-10238
- Manufacturer: Wilwood Disc Brakes
- Axle Position: Front
- Spindle Type Compatibility: CPP 2" Drop Spindle (CP30101) *Will not work on OE factory spindles
- Rotor Diameter: 12.88 inches
- Rotor Type & Style: GT 48 Curved Vane / Slotted (Black Electro Coat Finish)
- Caliper Type: Forged Narrow Superlite 6R (FNSL6R) with Black Powder Coat Finish
- Piston Count / Material: 6 Pistons / Stainless Steel
- Brake Pad Compound: BP-10 Smart Pad
- Minimum Wheel Diameter Required: 17 inches
- Bolt Circles: 5 x 4.50" and 5 x 4.75"
What's in the Box
- 1 x Pair of Forged Narrow Superlite 6R Calipers (Black Powder Coat - LH #120-11781-BK / RH #120-11780-BK)
- 1 x Pair of GT 48-Vane Slotted Rotors (LH #160-12962-GTB / RH #160-12961-GTB)
- 1 x Pair of Aluminum Big Brake Hats (Part #170-10231)
- 1 x Pair of Machined Aluminum Front Hubs (Part #270-10237)
- BP-10 Brake Pad Set
- Brackets, Bearings, Seals, Studs, and Complete Installation Hardware
Fitment
Chevrolet Bel Air (Requires CPP 2" Drop Spindle - CP30101):
- 1958 Chevrolet Bel Air
- 1959 Chevrolet Bel Air
- 1960 Chevrolet Bel Air
- 1961 Chevrolet Bel Air
- 1962 Chevrolet Bel Air
- 1963 Chevrolet Bel Air
- 1964 Chevrolet Bel Air
- 1965 Chevrolet Bel Air
- 1966 Chevrolet Bel Air
- 1967 Chevrolet Bel Air
- 1968 Chevrolet Bel Air
- 1969 Chevrolet Bel Air
- 1970 Chevrolet Bel Air
Chevrolet Biscayne (Requires CPP 2" Drop Spindle - CP30101):
- 1958 Chevrolet Biscayne
- 1959 Chevrolet Biscayne
- 1960 Chevrolet Biscayne
- 1961 Chevrolet Biscayne
- 1962 Chevrolet Biscayne
- 1963 Chevrolet Biscayne
- 1964 Chevrolet Biscayne
- 1965 Chevrolet Biscayne
- 1966 Chevrolet Biscayne
- 1967 Chevrolet Biscayne
- 1968 Chevrolet Biscayne
- 1969 Chevrolet Biscayne
- 1970 Chevrolet Biscayne
Chevrolet Brookwood (Requires CPP 2" Drop Spindle - CP30101):
- 1958 Chevrolet Brookwood
- 1959 Chevrolet Brookwood
- 1960 Chevrolet Brookwood
- 1961 Chevrolet Brookwood
Chevrolet Caprice (Requires CPP 2" Drop Spindle - CP30101):
- 1966 Chevrolet Caprice
- 1967 Chevrolet Caprice
- 1968 Chevrolet Caprice
- 1969 Chevrolet Caprice
- 1970 Chevrolet Caprice
Chevrolet Del Ray (Requires CPP 2" Drop Spindle - CP30101):
- 1958 Chevrolet Del Ray
Chevrolet El Camino (Requires CPP 2" Drop Spindle - CP30101):
- 1959 Chevrolet El Camino
- 1960 Chevrolet El Camino
Chevrolet Estate (Requires CPP 2" Drop Spindle - CP30101):
- 1970 Chevrolet Estate
Chevrolet Impala (Requires CPP 2" Drop Spindle - CP30101):
- 1958 Chevrolet Impala
- 1959 Chevrolet Impala
- 1960 Chevrolet Impala
- 1961 Chevrolet Impala
- 1962 Chevrolet Impala
- 1963 Chevrolet Impala
- 1964 Chevrolet Impala
- 1965 Chevrolet Impala
- 1966 Chevrolet Impala
- 1967 Chevrolet Impala
- 1968 Chevrolet Impala
- 1969 Chevrolet Impala
- 1970 Chevrolet Impala
Chevrolet Kingswood (Requires CPP 2" Drop Spindle - CP30101):
- 1959 Chevrolet Kingswood
- 1960 Chevrolet Kingswood
- 1969 Chevrolet Kingswood
- 1970 Chevrolet Kingswood
Chevrolet Nomad (Requires CPP 2" Drop Spindle - CP30101):
- 1958 Chevrolet Nomad
- 1959 Chevrolet Nomad
- 1960 Chevrolet Nomad
- 1961 Chevrolet Nomad
Chevrolet Parkwood (Requires CPP 2" Drop Spindle - CP30101):
- 1959 Chevrolet Parkwood
- 1960 Chevrolet Parkwood
- 1961 Chevrolet Parkwood
Chevrolet Sedan Delivery (Requires CPP 2" Drop Spindle - CP30101):
- 1958 Chevrolet Sedan Delivery
- 1959 Chevrolet Sedan Delivery
- 1960 Chevrolet Sedan Delivery
Chevrolet Townsman (Requires CPP 2" Drop Spindle - CP30101):
- 1969 Chevrolet Townsman
- 1970 Chevrolet Townsman
Chevrolet Yeoman (Requires CPP 2" Drop Spindle - CP30101):
- 1958 Chevrolet Yeoman
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