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Big Block Clones LLC
59mm Stroke Crankshaft for GX200 and Small Block Clones - Predator
59mm Stroke Crankshaft for GX200 and Small Block Clones - Predator
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$104.95 USD
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$104.95 USD
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Forged steel 59mm stroke crankshaft for the GX200 and clone engines. This crankshaft may require clearancing of the block, camshaft, and/or crank counterweights.
Rod Journal Diameter: 1.183"/30mm (GX200/Clone)
Flywheel Taper: GX200/Clone
3/4" keyed output shaft
Displacement:
- 70mm bore = 227cc
- 72mm bore = 240cc
- 76mm bore = 267cc
Here are some rotating assembly combinations that you can build with our cranks and our 72mm bore block:
| Rotating assemblies with either "550" or .640 pistons | BORE X STROKE | DISPLACEMENT | PISTON CROWN DISTANCE TO DECK AT TDC | Rod/Stroke Ratio |
| 58mm Crank + ARC 6256 - 3.328" | 72mm x 58mm | 236cc | 0.008" under the deck | 1.46:1 |
| 59mm crank + ARC 6269 - 3.313" | 72mm x 59mm | 240cc | 0.003" under the deck | 1.42:1 |
| 60mm Crank + ARC 6270 - 3.303" | 72mm x 60mm | 245cc | 0.005" above the deck | 1.40:1 |
| *Above uses 72mm "550" compression height flat top piston | ||||
| 58mm Crank + ARC 6234 - 3.595" | 72mm x 58mm | 236cc | 0.007" under the deck | 1.57:1 |
| 59mm Crank + ARC 6234 - 3.595" | 72mm x 59mm | 240cc | 0.013" above the deck | 1.54:1 |
| *Above uses Wiseco 17-2835XC .640"CH 3 ring piston | ||||
| 60mm Crank + ARC 6234 - 3.595" | 72mm x 60mm | 245cc | 0.030" above the deck | 1.52:1 |
| *Above uses Wiseco 11132P273 .640"CH 2 ring piston | ||||
| **Always maintain a minimum of 0.030" clearance between the bottom of the head and the top of the piston using the correct thickness head gasket** | ||||
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