Keith Black KB246.030 .030 Over Hypereutectic 302/347 Ford Pistons
347 Ford Small Block V8, Flat Top w/ 2 valve reliefs Piston Style, 3.400" Stroke
- The reflective alloy allows 2% power increase
- Features fully machined crowns and valve reliefs
- Has drilled oil drain backs and full floating wrist pins
- Specially quench dome technology minimizes deterioration
- Made entirely from 390 Hypereutectic alloy that weighs only 429 grams
Keith Black Hypereutectic pistons are T-6 heat treated and offer reduced scuffing and improved durability over stock replacement pistons. They also allow you to run tighter clearances because of reduced thermal expansion, which means more race winning power.
- 390 Hypereutectic alloy
- Fully machined crowns and valve reliefs
- Drilled oil drain backs
- Full floating wrist pins
- Triple wound spiral locks
- Reflective alloy allows 2% power increase
- Quench dome technology minimizes deterioration
- Zero deck quench designs
For Ford 347 c.i. (4.00" bore x 3.40" stroke). Use piston ring Style C (1/16", 1/16", 3/16").
Ring Style Chart (GIF)
Item DetailsC/R 64cc: 10.0, C/R 69cc: 9.5
Bore and Stroke: 4.00" x 3.40"
Rod Length: 5.400" Ring Style: C
- Pin Diameter: .927"
474-246 Instructions (PDF)
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
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