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#474729
Icon Ford 351W Forged Pistons, Flat Top, 5.956 Rod
$580.99
set
In Stock
$721.99
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Product Summary
351W, Flat Top w/ 2 valve reliefs Piston Style
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Key Specs
MFG. Part # | Select Size |
Piston Style | Flat Top w/ 2 valve reliefs |
Piston Material | Forged Aluminum |
Wrist Pin Included | Yes |
Wrist Pin Style | Press-Fit or Floating |
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Details
Formerly KB Pistons. Starting with 2618 alloy heat treated to high-strength T-6 specifications gives you the best value for the money. Exclusive V-Rib adds strength without adding weight but allows maximum cooling.
- 4.00" bore x 3.50" stroke
- 5.956" rod length
- .912" pin diameter
- Use Ring Style C (1/16", 1/16", 3/16")
- 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
C/R 64cc=10.5, 69cc=9.9Piston/Pin Weight: 647 g
Rod Length: 5.956"
Flat Top
Charts
474-729 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.
Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
Specifications
Specifications
KEY SPECS | |
---|---|
MFG. Part # | Select Size to see |
Brand | Icon Pistons |
Piston Style | Flat Top w/ 2 valve reliefs |
Piston Material | Forged Aluminum |
Wrist Pin Included | Yes |
Wrist Pin Style | Press-Fit or Floating |
GENERAL | |
Speedway Motors Catalog Part # | 474-729 |
Piston Diameter | Select Size to see |
Stroke | 3.500" |
Connecting Rod Length | 5.956" |
Piston Weight | 516 grams |
Piston Ring Style | C |
Wrist Pin Diameter | 0.9122" |
Wrist Pin Weight | 131 grams |
Compression 58cc = | 11.3 : 1 |
Compression 64cc = | 10.5 : 1 |
GTIN Code | Select Size to see |
Sold in Quantity | Set |