BIG-BLOCK ENGINE FLYWHEELS
14085720
1965–up
- Outside diameter: 12.750"
- Crank flange bolt pattern: 3.580"
- Clutch diameter: 10.400"
- Starter ring gear teeth: 153
- Lightweight nodular iron
- Weighs approximately 15 lbs
- For internally balanced engines
3991469
1965–up
- Outside diameter: 14"
- Crank flange bolt pattern: 3.580"
- Clutch diameter: 11.000"
- Starter ring gear teeth: 168
- For internally balanced engines
3993827
1970-1990
- Outside diameter: 14"
- Crank flange bolt pattern: 3.580"
- Clutch diameter: 11.000"
- Starter ring gear teeth: 168
- Counterweighted for externally balanced 454 Mark-IV 2-piece rear seal engines
- Use with balancer P/N 10216339
14096987
1991-up
- Outside diameter: 14"
- Crank flange bolt pattern: 3.580"
- Clutch diameter: 11.000"
- Starter ring gear teeth: 168
- Lightweight nodular iron
- For externally balanced engines
12582964
1965-up
- Outside diameter: 14"
- Crank flange bolt pattern: 3.580"
- Clutch diameter: 11.500"
- Starter ring gear teeth: 168
- Used with 427 or 572 crate engine
- For internally balanced engines
BIG-BLOCK FLEXPLATES
10185034
1991-up
- Outside diameter: 14"
- Crank flange bolt pattern: 3.580"
- Clutch diameter: 10.750"; 11.500"
- Starter ring gear teeth: 168
- Use with forged-steel crank
- Has dual-converter bolt pattern (502 and 454 1-piece rear main seal)
12561217
1991-up
- Outside diameter: 14"
- Crank flange bolt pattern: 3.580"
- Clutch diameter: 11.500"
- Starter ring gear teeth: 168
- 427 crate engine production internally balanced (.100" thick)
471598
1965-up
- Outside diameter: 14"
- Crank flange bolt pattern: 3.580"
- Clutch diameter: 10.750"; 11.500"
- Starter ring gear teeth: 168
- For internally balanced engines
- Use with 572/620 crate engine
- Has dual-converter pattern (.120" thick)
14001992
1970-1990
- Outside diameter: 14"
- Crank flange bolt pattern: 3.580"
- Clutch diameter: 11.500"
- Starter ring gear teeth: 168
- For externally balanced 454 Mark-IV 2-piece rear main seal engines
BOLTS AND DOWELS
12337973
Flywheel Bolt
- Fits all Chevy Small-Block V-8, Big-Block V-8, and 90° V-6 engines
- Sold individually; six required per engine
10046031
Flywheel Dowel (Big-Block)
- Highly recommended for all high-performance and competition Big-Block engines
1453658
Bellhousing Dowel and Clutch Housing/Transmission Dowel (Big-Block)
- Use with Big-Block engine
- Sold individually; two required per engine
3727207
Flexplate Bolt
- Fits all Chevy Small-Block V-8, Big-Block V-8, and 90° V-6 engines
- Sold individually; six required per engine
VISIT OUR BRANDS FOR YOUR OE NEEDS
Search
