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Rotating Assemblies
- Rotating Assembly
- Stroke: 4.30"
- Displacement: 521
- Rod Length: 6.605"
- Pistons: Dish Top
- Rings: 1/16", 1/16", 3/16"
- Compression Ratio: 10.0:1 w/ 72cc
- 397-M-6303-A514 SCAT nodular cast iron crankshaft 4.30" stroke
- 397-M-6200-C514 Eagle H-beam SAE 4340 forged steel connecting rods with ARP bolts
- Probe Forged pistons 4.390" bore (.030" overbore) with flycuts for production and Super Cobra Jet cylinder heads, 28cc dish, .990" wrist pins
- Speed-Pro R10593-30 rings 1/16", 1/16", 3/16"
- Speed-Pro/Federal Mogul main and rod bearings
- Fits 1968-96 blocks
- Use with external balance counterweight and flywheel
- Requires balancing
Crafted from forged steel, these crankshafts are specially designed for the harsh environment of the race track. Available for the Mustang Boss 302, Cobra Jets, and the SVT Lightning, Ford Racing forged crankshafts are the answer to your long term crankshaft performance issues. Ford Racing crankshafts are ready to go into your Boss 302 or 5.4L Ford Racing Engine.
Features:
- Forged Steel Construction For Superior Durability And Extended Service Life
- Standard Journal Diameters For Maximum Compatibility
- Service Replacements For Mustang Boss 302, Cobra Jet 5.4L, And SVT Lightning 5.4L
Product LineFord Performance Crankshafts
BrandFORD PERFORMANCE
Package Height13.2
Package Width18.7
Package Length25.9
Weight91.7 PG
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
