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Ford Boss 302ciDome Top Pistons
- Solid Dome Top 6cc
- 4.020'' Bore (+.020'')
- Use w/5.155'' Connecting Rod & 3.000'' Crank Stroke
- Comp. Ratio: 12.5/52cc; 11.0/60cc; 10.5/64cc
- 1/pkg
Designed for factory or clone Boss 302. This piston is based and intended for use on the Windsor-based Small Block Ford with Cleveland style heads.
Technical Specs: - Alloy: Premium Forged 4032
- Bore: 4.020'
- Crankshaft Stroke: 3.000'
- Connecting Rod Length: 5.155'
- Deck Height: 8.206'
- Compression Height: 1.540'
- Pin Size: 0.912' x 2.750'
- Pin Location: Centered
- Lock Rings: PRL99-3 Spiral Locks
- Dome Top: 6cc 1 Valve Relief
- Intake Valve Relief: .186' Depth / 2.360' Diameter
- Exhaust Valve Relief: N/A
- Top Landing Height: 0.301'
- Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
- Gram Weight: 519/131
- Compression Ratio: 12.5:1 w/52cc Heads; 11.0:1 w/60cc Heads; 10.5:1 w/64cc
Part TypePiston
BrandUNITED ENGINE MACHINE
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberSIC686.020
Package Qty1
Package TypeEA
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