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$449.99
$379.99
Keith Black KB246.030 .030 Over Hypereutectic 302/347 Ford Pistons
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
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Keith Black KB246.030 .030 Over Hypereutectic 302/347 Ford Pistons
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Part # 474246-030
$379.99
$449.99
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- 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
Details
Piston Style:
Flat Top w/ 2 valve reliefs
Piston Material:
Hypereutectic Aluminum
Piston Diameter:
4.030"
Stroke:
3.400"
Connecting Rod Length:
5.400"
Piston Weight:
429 grams
Piston Ring Style:
C
Wrist Pin Diameter:
0.9272"
Wrist Pin Weight:
107 grams
Compression 64cc =:
10.0 : 1
MFG. Part #:
KB246.030
GTIN Code:
800745059390
Sold in Quantity:
Set
Info
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 Details
C/R 64cc: 10.0, C/R 69cc: 9.5Bore and Stroke: 4.00" x 3.40"
Rod Length: 5.400" Ring Style: C
Specs
- Pin Diameter: .927"
Charts
474-246 Instructions (PDF)
Important Messages
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations
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Learn about the importance of getting the chain tension set correctly, and why it is critical that we get it as near perfect as we can. Walkthrough a basic procedure that effectively and consistently gets the chain tension set properly every time.