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Key Specs

BrandMAHLE

Need To Know

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Details

The Mahle PowerPack 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 Grafel skirt coating.

1.5mm, 1.5mm, 3.0mm file fit performance ring set is included.

  • 347 uses .927" pin
  • Comp Height:  1.090  (includes oil support rails)
  • 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=10.7, 64cc=10.0, 70cc=9.4
Piston/Pin Weight: 413 g
Rod Length: 5.40

Specifications

KEY SPECS
BrandMAHLE
GENERAL
Piston StyleFlat Top w/ 2 valve reliefs
Piston MaterialForged Aluminum
Piston Diameter5.400"
Stroke3.400"
Piston Weight413 grams
Piston Ring StyleE
Wrist Pin Diameter0.9270"
Top Ring MaterialDuctile Iron
Second Ring MaterialCast Iron
Top Ring Thickness1.5 mm
Second Ring Thickness1.5 mm
Oil Ring Thickness3.0 mm
Oil Ring TensionStandard Tension