ARP Square Drive Balancer Bolt Big Block Chevy 1966-1995 Generation 4 and 5
070-135-2503

Big Block Chevy
Specifications:
ARP's Harmonic Damper Bolts safety keep the damper locked into place as the crankshaft flexes and twists and the harmonic damper absorbs incredible amounts of kinetic energy. These damper bolts are ultra strong, 190,000 psi tensile strength that exerts maximum clamping force and are made from heat-treated 8740 chrome moly steel with heavy-duty black oxide finish. Available with a 12-point or square drive head. 12-Point Bolt: Features a 1/4" thick, wide area washer and an extra tall 12-point head accepts a deep socket and eliminates the worry of stripping the head. Square Drive Bolt: 1/2" square drive forged into bolt head, accepts a standard 1/2? drive ratchet or breaker bar to facilitate rotating the crank assembly.
Does ARP 135-2503 fit your vehicle?
1971 CHEVROLET IMPALA
- Liter: 5
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 307
- Engine Type: V8 ( 5L / 307 )
- Engine Vin: -
1974 CHEVROLET BEL AIR
- Liter: 6.6
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 400
- Engine Type: V8 ( 6.6L / 400 )
- Engine Vin: U
1971 CHEVROLET CHEVELLE
- Liter: 4.1
- SubModel: CONCOURS
- Aspiration: NATURALLY ASPIRATED
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: -
1971 CHEVROLET C20 SUBURBAN
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: S
1971 CHEVROLET K30 PICKUP
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: -
1970 CHEVROLET C30 PICKUP
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: E
1995 CHEVROLET K2500 SUBURBAN
- Liter: 5.7
- SubModel: LT
- Aspiration: NATURALLY ASPIRATED
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: K
1970 CHEVROLET EL CAMINO
- Liter: 6.6
- SubModel: CUSTOM
- Aspiration: NATURALLY ASPIRATED
- CUI: 400
- Engine Type: V8 ( 6.6L / 400 )
- Engine Vin: -
1971 CHEVROLET CHEVELLE
- Liter: 5.7
- SubModel: GREENBRIER
- Aspiration: NATURALLY ASPIRATED
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: -
1972 CHEVROLET CAPRICE
- Liter: 4.1
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: D
1971 CHEVROLET CHEVELLE
- Liter: 6.6
- SubModel: CONCOURS
- Aspiration: NATURALLY ASPIRATED
- CUI: 400
- Engine Type: V8 ( 6.6L / 400 )
- Engine Vin: -
1978 CHEVROLET K5 BLAZER
- Liter: 4.1
- SubModel: CUSTOM DELUXE
- Aspiration: NATURALLY ASPIRATED
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: D
Motor Vehicles
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Tools:
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Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.