SMALL-BLOCK BALANCERS AND PULLEYS
Balancers
12551537
- Engine Application:1969-up 305 and 350; 90V-6 competition
- 6.750” Outer Diameter
- Smaller size for limited clearance
- Timing mark is 10 degrees before keyway centerline
- Use with timing pointer P/N 3991435
19301706
- Engine Application: 1970-74 350; ZZ6 and CT 400 crate engine
- 8” outer diameter
- Nodular iron
- Inertia ring is 1-11/16” wide
- For externally balanced engines
- Use with timing pointer P/N 3991436
12498008
- Engine Application: 383 crate engine with one-piece crank seal
- 8" outer diameter
- Counterweight can be removed for neutral balance
- For externally balanced engines
- Use with 383 engine components and crankshaft P/N 12489436
24502534
- Engine Application: All racing. Accepts standard pulleys
- 7.074" outer diameter
- Specially tuned for racing applications up to 9,000 rpm
- Uses standard crank hub diameter
24502535
- Engine Application: All racing
- 7.074" outer diameter
- Specially tuned for racing applications
- Use with large-diameter 1.598" crankshaft hub
Pulleys and Bolts
19355269
Crankshaft Pulley, 6-5/8"
- Two-groove, high-rpm 6-5/8" pulley
- For engines with short water pump
NOTE: Can be used with a water pump pulley and belt P/N 9433722 without an idler pulley or alternator.
9440024
Crankshaft Bolt
- Positive retention 7/16"-20 x 2-1/4" bolt
- For engines with tapped crank snouts
- Use with washer P/N 14001829
NOTE: Can be used with a water pump pulley and belt P/N 9433722 without an idler pulley or alternator.