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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-KB115KTM.040
Ford 302ci Hypereutectic Pistons Flat Top
$48248
Ships on 09/08/2026
Lowest Price GuaranteeFord 302ciFlat Top Pistons
Ford 302ci Hypereutectic PistonsFlat Top 4.0'' Bore (+.040'') Use w/5.090" Connecting Rod & 3.0" Stroke Comp. Ratio: 10.0/54cc; 9.6/58cc; 9.0/64cc; 8.5/69cc Set of 8
Technical Specs:
- Alloy: Hypereutectic 390
- Bore: 4.0'
- Crankshaft Stroke: 3.0'
- Connecting Rod Length: 5.090'
- Deck Height: 8.206'
- Compression Height: 1.608'
- Pin Size: 0.912'
- Pin Location: Centered
- Flat Top: +6.5cc 2V Relief
- Intake Valve Relief: 0.257' Depth / 2.120' Diameter
- Exhaust Valve Relief: 0.247' Depth / 1.880' Diameter
- Top Landing Height: 0.275'
- Ring Grooves: 5/64' Top; 5/64' Middle; 3/16' Bottom
- Compression Ratio: 10.0:1 w/54cc Heads; 9.6:1 w/58cc Heads; 9.0:1 w/64cc Heads; 8.5:1 w/69cc Heads
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height5.5
Package Width9.9
Package Length22.0
Weight16.63 PG
Part CategoryPerformance Parts
Piston Head Volume (Cc)6.5
Compression Distance1.608 in (40.843 mm)
Top Ring Thickness0.078 in (2 mm)
QuantitySet of 8
Piston MaterialHypereutectic
Pin Diameter0.912 in (23.2 mm)
Oil Ring Thickness3/16 in.
Part FitmentSemi Universal
Second Ring Thickness5/64
Piston StyleFlat top, with two valve reliefs
Bore4 in (101.6 mm)
Vendor Part NumberKB115KTM.040
Package Qty1
Package TypeEA
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