Mahle Pistons Aluminum Power Pack Ring & Piston Set L92


Part Number: MAH-930225025
$1,089.82
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Shipping Weight: 6.00 pounds
Mahle Pistons Aluminum Power Pack Ring & Piston Set L92
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Product Details


L92/LS3 Chevy

The Mahle PowerPak is a complete, race proven piston assembly kit composed of hand deburred, forged, performance coated pistons, high-quality steel pins, round wire locks and low drag performance rings. Performance coatings include a phosphate dry lubricant that is used to protect against ring micro-welding and pin galling during initial startup and break-in. For additional performance, Mahle applies its proprietary Grafal anti-friction coating to each piston skirt.

Inverted Dome Pistons 1.5, 1.5, 3.0 mm Rings

Technical Specs:
  • Cubic Inches: 428
  • Bore: 4.125"
  • Stroke: 4.000"
  • Rod Length: 6.125"
  • Compression Height: 1.105R
  • Pin Diameter: 0.927"
  • Crown Volume: -25cc Inverted Dome
  • Weight: 416g
  • Compression Ratio @ 70cc: 9.3:1


Features
  • Forged Aluminum Pistons
  • CNC machined crown
  • Hand deburred finishing
  • Forced pin oiling with machined drain backs
  • Lightweight slipper skirt forgings
  • CNC finished pin bores
  • Forced Pin Oiling
  • Race Proven, reliable round wire locks, standard with every kit
  • Pre-fitted German steel pins noted for their high strength, lightweight, and durability
  • 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 oil system of the engine reached operating pressure; particularly useful during the initial start-up or break-in of engines to protect against galling and micro welding. Piston crown remains machineable.
  • Mahle's Grafal Skirt Coating - Reduces drag, scuffing, friction and cylinder bore wear; reduces piston noise.
  • Precision ring grooves for included piston rings

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