Garage Sale - KB Chevy 400 Hyperutectic Pistons, .100 Dome, 5.7 Rod
Hypereutectic Aluminum Piston Material, Dome Piston Style, .100" Dome Height, 3.75" Stroke
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Keith Black Hyperutectic 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)
474-127 Instructions (PDF)
These pistons are garage sale priced because 4 of the piston pins don't move freely.
NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
- 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
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Q & A
Speedway Motors employee Pat joins us once again. This time Pat is talking to the Model A and Model T owners, specifically in regards to Moto-Meters and accessories.
One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.