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$599.99
Icon IC965.020 .218 Dome Forged Chevy 421 Pistons, .020 Over, 6.0 Rod
Icon Chevy 421 Forged Pistons, .218 Dome, 6.0 Rod

Icon IC965.020 .218 Dome Forged Chevy 421 Pistons, .020 Over, 6.0 Rod

400 Chevy Small Block V8, 421 Chevy Small Block V8, Dome Piston Style, .218" Dome Height

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Icon Chevy 421 Forged Pistons, .218 Dome, 6.0 Rod
Icon Chevy 421 Forged Pistons, .218 Dome, 6.0 Rod
Icon Chevy 421 Forged Pistons, .218 Dome, 6.0 Rod
Icon IC965.020 .218 Dome Forged Chevy 421 Pistons, .020 Over, 6.0 Rod
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Icon Chevy 421 Forged Pistons, .218 Dome, 6.0 Rod
Icon Chevy 421 Forged Pistons, .218 Dome, 6.0 Rod
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Icon Pistons estimates this item will ship on or before June 10th.
Part # 474965-020
$599.99
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  • Specifically designed for the Chevy 421 c.i. engine with a 4.125" bore and 3.875" stroke
  • Features lateral gas porting on higher compression ratios
  • Made from high ductility 2618 aluminum alloy with a natural finish
  • Available in standard or several oversize dimensions to better match your application
  • Piston weighs only 427 grams and the wrist pin weighs 102 grams

Details

Piston Style:
Dome
Piston Material:
Forged Aluminum
Piston Diameter:
4.145"
Dome Height:
.218"
Stroke:
3.875"
Connecting Rod Length:
6.000"
Piston Weight:
427 grams
Piston Ring Style:
E
Wrist Pin Diameter:
0.9270"
Wrist Pin Weight:
102 grams
MFG. Part #:
IC965.020
GTIN Code:
800745194022
Sold in Quantity:
Set

Info

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)

Item Details

Piston Weight: 427 g. Rod Length: 6.0"
Bore & Stroke: 4.125 x 3.875
Ring Style: E

Charts

474-965 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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