$202 Off
$202 Off
|
#474966
Icon Chevy 421 Forged Pistons, Flat Top, 6.0 Rod
$861.50
/set
In Stock
$1,063.58
Save $202.08
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Key Specs
| MFG. Part # | Select Oversize |
| Piston Style | Flat Top w/ 2 valve reliefs |
| Piston Material | Forged Aluminum |
| Wrist Pin Included | Yes |
| Wrist Pin Style | Press-Fit or Floating |
Need To Know
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Details
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.
For Chevy 421 c.i. (4.125" bore x 3.875" stroke). Use Style E rings (1.5mm, 1.5mm, 3.0mm).
- 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
Item Details
Piston Weight: 427 g. Rod Length: 6.0"Bore & Stroke: 4.125 x 3.875
Ring Style: E
Charts
474-966 Instructions (PDF)
Ring Style Chart (GIF)
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
Specifications
Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | Select Oversize to see |
| Brand | Icon Pistons |
| Garage Sale Type | Discontinued |
| Piston Style | Flat Top w/ 2 valve reliefs |
| Piston Material | Forged Aluminum |
| Wrist Pin Included | Yes |
| Wrist Pin Style | Press-Fit or Floating |
| GENERAL | |
| Piston Diameter | Select Oversize to see |
| 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 |
| Top Ring Thickness | 1.5 mm |
| Second Ring Thickness | 1.5 mm |
| Oil Ring Thickness | 3.0 mm |
| GTIN Code | Select Oversize to see |
| Sold in Quantity | Set |
Ratings & Reviews
Ratings & Reviews
Questions & Answers
Questions & Answers
1 Question • 1 Answer
What would the approximate compression ratio be with 64cc vs 76cc heads ? thanks
by TRUCK Monkey
• 2 years ago
1 answer
View Answer
1 of 1 questions shown
