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800.979.0122

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Icon Chevy 434 Forged Pistons, Flat Top, 6.0 Rod

SAME DAY SHIPPING! Order within the next 10 hours 32 minutes and receive same day shipping

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Specs
Sold in Quantity:
Set
Piston Ring Style:
C
Connecting Rod Length:
6.000"
Piston Material:
Forged Aluminum
Piston Style:
Flat Top w/ 2 valve reliefs
Compression 58cc =:
13.4 : 1
Compression 64cc =:
12.4 : 1
Compression 69cc =:
11.7 : 1
Garage Sale:
No
Piston Diameter:
-
Stroke:
4.00
Wrist Pin Diameter:
.9272
Piston Weight:
-
Wrist Pin Weight:
132
Icon Chevy 434 Forged Pistons, Flat Top, 6.0 Rod

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Details

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Q & A

What's in the Box

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 434 c.i. (4.125" bore x 4.00" stroke). Use Style C rings (1/16", 1/16", 3/16").

Ring Style Chart (GIF)

474-849 Instructions (PDF)

Item Details

C/R 58cc=13.4, 64cc=12.4, 69cc=11.7
Piston/Pin Weight: 554 g
Rod Length: 6"

Specs

  • Comp Height -  1.015
  • Pin Diameter -  0.9272

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Icon Chevy 434 Forged Pistons, .180 Flat Top, 6.0 Rod
(Part #474893)
                        

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 434 c.i. (4.125" bore x 4.00" stroke). Can be used with Vortec cylinder heads. Use Style C rings (1/16", 1/16", 3/16").

Ring Style Chart (GIF)

474-893 Instructions (PDF)

Item Details

C/R 64cc=14.5, 69cc=13.5
Piston/Pin Weight: 589 g
Rod Length: 6"
MAHLE Small Block Chevy 434 Flat Top Powerpak Pistons, 6 In Rod, 4 In Stroke
(Part #50314505)
                        

The Mahle PowerPak pistons are a race proven lightweight forged design that are complete with rings, wrist pins and locks.  They are also completely phosphate coated plus feature an anti-friction Grafal skirt coating.  PowerPak pistons are made from 4032 aluminum alloy to allow for tighter cylinder to wall clearances, and improved temperature stability.

1.5mm, 1.5mm, 3.0mm file fit performance ring set is included. For 434 c.i. S/B Chevy (4.125" bore x 4.00" stroke). Choose standard or oversize diameter needed.

  • Comp Height:  1.000  (includes oil support rails)
  • Pin Diameter:  0.927
  • Clearance Guide
    • *Meas. = 0.350
    • Min = 0.0025
    • Max = 0.0033

*The location to measure piston-to-wall clearance for each application. This point is calculated from the bottom of the piston skirt and indicates the widest part of the piston and thus where to measure.

Item Details

C/R 58cc=13.2, 64cc=12.3, 70cc=11.5
Piston Weight: 420 g