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Icon IC737.030 5.7 Rod 658g Chevy 383 Forged Pistons .030
Icon Chevy 383 Forged Pistons, .163 Dome, 5.7 Rod

Icon IC737.030 5.7 Rod 658g Chevy 383 Forged Pistons .030

383 Chevy Small Block V8, Dome Piston Style, Forged Aluminum Piston Material, .163" Dome Height

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Icon Chevy 383 Forged Pistons, .163 Dome, 5.7 Rod
Icon Chevy 383 Forged Pistons, .163 Dome, 5.7 Rod
Icon IC737.030 5.7 Rod 658g Chevy 383 Forged Pistons .030
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Icon Chevy 383 Forged Pistons, .163 Dome, 5.7 Rod
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Part # 474737-030
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Details

Piston Style:
Dome
Piston Material:
Forged Aluminum
Piston Diameter:
4.030"
Dome Height:
.163"
Stroke:
3.750"
Connecting Rod Length:
5.700"
Piston Weight:
526 grams
Piston Ring Style:
C
Wrist Pin Diameter:
0.9272"
Wrist Pin Weight:
132 grams
Compression 58cc =:
14.1 : 1
Compression 64cc =:
12.9 : 1
Compression 76cc =:
11.0 : 1
MFG. Part #:
IC737.030
GTIN Code:
800745093189
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 383 c.i. (4.000" bore x 3.75" stroke). Will work with Vortec cylinder heads. Use Style C rings (1/16", 1/16", 3/16").

Ring Style Chart (GIF)

Item Details

C/R 58cc=14.1, 64cc=12.9, 76cc=11.0
Piston/Pin Weight: 658 g
Rod Length: 5.7"

Specs

  • Comp Height 5.7" Rod -  1.433
  • Comp Height 6.0" Rod -  1.13
  • Pin Diameter -  0.9272

Charts

474-737 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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