| Stroke | Pin Size | Main Size | Cammed for Rod Length |
Part # |
|---|---|---|---|---|
| 3.625 | 2.100 | LS GM Small Block – 2.559 | 6.100 | APH-31V-AS |
| 4.000 | 2.100 | LS GM Small Block – 2.559 | 6.125 | APO-31V-AS |
| 4.125 | 2.100 | LS GM Small Block – 2.559 | 6.125 | APU-31V-AS |
| 4.250 | 2.100 | LS GM Small Block – 2.559 | 6.125 | APP-31V-AS |
LS Chevy Callies APEX Forged Cranks w/8 Counterweights
$2,560.00 Each
The Callies LS APEX Crankshafts are available from 3.625″ to 4.250″ stroke with 2.100″ rod journals. APEX series cranks fill the gap between Callies Compstar and Magnum crankshafts. APEX crankshafts use the same forgings as the Magnum series but are machined by the same company that does Callies Compstar line of cranks. All APEX crankshafts are finished sized and fully inspected in-house. It’s the best bang for the buck crankshaft on the market.
- Chevy LS Platform
- Uses Callies Proprietary Magnum Forgings
- Premium 4340 Material
- Nitrided for Optimal Hardness and Wear Resistance
- Finished and inspected in-house by Callies
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