Small Block Chevrolet
- Gen1- 86 and Prior- (267/283/302/305/327/350) Internal balance
- 400 SBC-External Balance
- 87-95 (Includes LT1/LT4 Opti-spark) Internal Front/External Rear
- 96-2000- Internal Front/External Rear
- LS Engines-Internally Balanced
- LT Engines- (2016+ model year) Internal Balance
Big Block Chevrolet
- W Series (348-409) Internally Balanced
- 396-427 Internal Balanced
- 454-502- External Balance
- 572- Internal Balance
- GEN VI
- L29/L21- External Balance
- GEN VII
- L18-External Balance
- 8.0L Vortec- Internal
Pontiac
- 326-455- Internal
Oldsmobile Small Block
- 260-307-330-350-403- External
Oldsmobile Big Block
- 400-425-455- External
AMC
- Gen 1 (to 1966)
- 250-287-327-External
- Gen 2 (1966-1970)
- 290-343-390-External
- Gen 3 (1970-1991)
- 304-360-390-401- External (Though they share the same crank flange, 304, 360, and 401 do not interchange)
Chrysler Small block
- 318 A (POLY)-Internal
- 273-318-340 (340 to 1971 Steel Crank) LA-Internal
- 340 (1972 up w/Cast Crank) External
- 360-External
Chrysler MAGNUM Engine
- 318 (5.2) Internal
- 360 (5.9) External
- 5.7l, 6.1l, 6.2l, 6.4l HEMI- Internal
Chrysler Big Block
- B Engines 1958-1971 Internal (Forged Crank) , 1972-1978 External (Cast Crank)
- 350-361-383-Internal
- 400- External
- RB Engines 1958-1971 Internal (Forged Crank), 1972-1978 External (Cast Crank)
- 383-413-426- Internal
- 426 Wedge- Internal
- 440 (1966- 1971) Forged Crank- Internal
- 440 (1972- 1978) Cast Crank- External
- ***440 Six Pack- External*** (Forged Crank w/Heavy Rods)
- 426 HEMI- Internal
Ford Small Block
- 289-302 - Ext 28oz
- 302 HO- Ext 50oz
- 351W- Ext 28oz
- 351C- Ext 28oz
- 351M/400- Ext 28oz
Ford Big Block
- 429-460- Internal
Ford Y Block
- 239-256- Internal (1954 Cars Only- Cleveland Blocks)
- 272-292-312- External
- 239-256- External (Trucks only- Dearborn Blocks)
Ford FE
- 332-352-360-390-406-427- Internal
- 410- External
- 428- External
- 330-361-391- External