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Icon Chevy 383 Forged Pistons, Flat Top, 5.7 Rod
Icon Chevy 383 Forged Pistons, Flat Top, 5.7 Rod

Icon Chevy 383 Forged Pistons, Flat Top, 5.7 Rod

383 Chevy Small Block V8, Forged Aluminum Piston Material, 5.700" Connecting Rod Length

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Icon Chevy 383 Forged Pistons, Flat Top, 5.7 Rod
Icon Chevy 383 Forged Pistons, Flat Top, 5.7 Rod
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Part # 474728
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.


Piston Material:
Forged Aluminum
Piston Style:
Flat Top w/ 2 valve reliefs
Piston Diameter:
Select Size to see
Connecting Rod Length:
Piston Ring Style:
Wrist Pin Diameter:
Piston Weight:
476 grams
Wrist Pin Weight:
133 grams
Compression 58cc =:
12.0 : 1
Compression 64cc =:
11.1 : 1
Compression 76cc =:
9.8 : 1
Sold in Quantity:
MFG. Part #:
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GTIN Code:
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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). Use Style C rings (1/16", 1/16", 3/16").

Ring Style Chart (GIF)

474-728 Instructions (PDF)

Item Details

C/R 58cc=12.0, 64cc=11.1, 76cc=9.8
Piston/Pin Weight: 609 g
Rod Length: 5.7"


  • Comp Height 5.7" Rod -  1.433
  • Comp Height 6.0" Rod -  1.13
  • Pin Diameter -  0.9272
Some parts are not legal for use in California or other states with similar laws/regulations

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