Mr. Gasket Harmonic Balancer Bolt & Washer Set for 1965-2000 Chevy 396-502 Mark IV and Generation V Big Block.
Fits 366,396,402,427,454, and 502 big block Chevrolet.
1/2-20 x 1-1/2 inch heat treated, black oxide coated Grade 8 alloy steel with a tall hex head to prevent wrench slippage. The extra thick parallel ground washer provides accurate, uniform torque.
Features:
- Heat treated black oxide coated Grade 8 alloy steel
- Tall hex head to prevent wrench slippage
- Thick parallel ground washer provides accurate, uniform torque
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
| Make |
Model |
Years |
Engine |
Fitment Notes |
| Chevrolet |
Corvette |
1966 |
7.0L / 427 / V8 |
ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 0.5 IN. -20 X 1.5 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER; |
| Chevrolet |
Corvette |
1967 |
7.0L / 427 / V8 |
ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 0.5 IN. -20 X 1.5 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER; |
| Chevrolet |
Corvette |
1968 |
7.0L / 427 / V8 |
ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 0.5 IN. -20 X 1.5 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER; |
| Chevrolet |
Corvette |
1969 |
7.0L / 427 / V8 |
ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 0.5 IN. -20 X 1.5 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER; |
| Chevrolet |
Corvette |
1970 |
7.4L / 454 / V8 |
ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 0.5 IN. -20 X 1.5 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER; |
| Chevrolet |
Corvette |
1971 |
7.4L / 454 / V8 |
ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 0.5 IN. -20 X 1.5 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER; |
| Chevrolet |
Corvette |
1972 |
7.4L / 454 / V8 |
ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 0.5 IN. -20 X 1.5 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER; |
| Chevrolet |
Corvette |
1973 |
7.4L / 454 / V8 |
ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 0.5 IN. -20 X 1.5 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER; |
| Chevrolet |
Corvette |
1974 |
7.4L / 454 / V8 |
ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 0.5 IN. -20 X 1.5 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER; |
