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Mahle 5.7 Chevy 400 Powerpack Dome Pistons .030
MAHLE Small Block Chevy 400 Dome Powerpak Pistons, 5.7 Inch Rods

Mahle 5.7 Chevy 400 Powerpack Dome Pistons .030

400 Chevy Small Block V8, Dome Piston Style, Forged Aluminum Piston Material, 3.750" Stroke

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MAHLE Small Block Chevy 400 Dome Powerpak Pistons, 5.7 Inch Rods
MAHLE Small Block Chevy 400 Dome Powerpak Pistons, 5.7 Inch Rods
Mahle 5.7 Chevy 400 Powerpack Dome Pistons .030
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MAHLE Small Block Chevy 400 Dome Powerpak Pistons, 5.7 Inch Rods
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Part # 50342514-030
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Details

Piston Style:
Dome
Piston Material:
Forged Aluminum
Piston Diameter:
4.155"
Stroke:
3.750"
Connecting Rod Length:
5.700"
Piston Weight:
504 grams
Piston Ring Style:
E
Wrist Pin Diameter:
0.9270"
Top Ring Material:
Ductile Iron
Second Ring Material:
Cast Iron
Top Ring Thickness:
1.5 mm
Second Ring Thickness:
1.5 mm
Oil Ring Thickness:
3.0 mm
Oil Ring Tension:
Standard Tension
Sold in Quantity:
Set

Info

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 400 c.i. S/B Chevy (4.125" bore x 3.75" stroke).

  • Comp Height 5.7" Rod:  1.425
  • Pin Diameter:  0.927
  • Clearance Guide
    • *Meas. = 0.500
    • 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.

PowerPak Piston Chart (GIF)

Item Details

C/R 58cc=14.2, 64cc=13.0, 70cc=12.1
Piston Weight: 504 g
Rod Length: 5.7"

Notes

Features:

  • Forged piston for performance applications Fully-machined crown
  • Grafal anti-Friction coating on skirts
  • Phosphate-coated to reduce micro-welding and pin galling
  • Pin bores binished on CNC boring equipment
  • Deburred
  • High strength, light weight steel pins
  • Race proven round wire locks
  • Low drag ring pak
  • Lightweight slipper kirt forgings
  1. Mahle’s Grafal skirt coating reduces drag, scuffing, friction and cylinder bore wear; reduces piston noise.
  2. Phosphate coating provides the grey appearance to the Mahle piston. This dry lubricant coating (not to be confused with a thermal film coating) provides a lubricant film in the pin bores and ring grooves until the oiling system of the engine reaches operating pressure; particularly useful during the initial start-up or break-in of engines to protect against galling and microwelding. The piston crown is still machineable.

 

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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