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$469.99
$395.99
KB Chevy 400 Hypereutectic Pistons, .150 Dome, 6.0 Rod
KB Chevy 400 Hypereutectic Pistons, .150 Dome, 6.0 Rod
400 Chevy Small Block V8, Dome Piston Style, Hypereutectic Aluminum Piston Material
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KB Chevy 400 Hypereutectic Pistons, .150 Dome, 6.0 Rod
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Part # 474129
$395.99
$469.99
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Piston Style:
Dome
Piston Material:
Hypereutectic Aluminum
Piston Diameter:
Select Oversize to see
Dome Height:
.150"
Stroke:
3.750"
Connecting Rod Length:
6.000"
Piston Weight:
500 grams
Piston Ring Style:
C
Wrist Pin Diameter:
0.9272"
Wrist Pin Weight:
145 grams
Compression 58cc =:
14.1 : 1
Compression 64cc =:
13.0 : 1
Compression 76cc =:
11.2 : 1
MFG. Part #:
Select Oversize to see
GTIN Code:
Select Oversize to see
Sold in Quantity:
Set
Info
Keith Black Hypereutectic pistons are favored for their improved power and reduced scuffing. The unique design & manufacturing processes combine to produce a rigid piston, which will rock less in the bore improving ring seal. These T-5 heat treated pistons also offer reduced thermal expansion, which allows you to run tighter clearances and allows the piston rings to seal better and minimize blow-by.
- 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
- Lightweight wrist pins
For Chevy 400 c.i. (4.125" bore x 3.75" stroke).
Ring Style Chart (GIF)
Item Details
C/R 58cc=14.1, 64cc=13.0, 76cc=11.2Piston/Pin Weight: 645 g
Rod Length: 6.0", Ring Style: C
Specs
- Comp Height 5.565" Rod - 1.561
- Comp Height 5.7" Rod - 1.433
- Comp Height 6.0" Rod - 1.13
- Pin Diameter - 0.9272
Charts
474-129 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
Reviews
Q & A
Videos & Articles
-
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.