Garage Sale - ICON Chevy 421 Forged Pistons, .218 Dome, 6.0 Rod, .040 Over
421 Chevy Small Block V8, Forged Aluminum Piston Material, Dome Piston Style, .218" Dome Height
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Formerly KB Forged Pistons. Starting with 2618 alloy heat treated to high strength T-6 specifications, these give you the best value for your money. Exclusive V-rib adds strength without adding weight but allows maximum cooling.
- High ductility 2618 alloy
- Dual forced pin oiling on most applications
- Lateral gas porting on higher compression ratios
- Fully machined with deep valve pockets
- Second land accumulator grooves
- Top land mini groove technology
- Diamond finished skirts
- Triple wound spiral locks
For Chevy 421 c.i. (4.125" bore x 3.875" stroke). Use Style E rings (1.5mm, 1.5mm, 3.0mm).
Ring Style Chart (GIF)
474-965 Instructions (PDF)
These pistons are garage sale priced because the #5 pistons is incorrect.
NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
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Piston Ring Style Chart
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