Description

Mahle pistons were designed as a completely finished drop in forged piston assembly. Other than filling the included performance piston ring set, everything is done for you. Mahle has over 80 plus years of piston manufacturing making pistons from OEM to formula 1 racing. Mahle uses only the best technology to make these pistons. Mahle pistons come standard with anti-friction skirt coating for reduced drag. Forged from 4032 low expansion aluminum alloy for high strength and reduced piston to wall clearance. Forced Pin Oiler is used for increased wrist pin lubrication. Pin bores are CNC precision-machined. 23mm High-Quality Steel Wrist Pin (123g), Performance 1.2, 1.2, 2.5mm performance ring set, steel nitrided top ring, and Race Proven Round Wire Locks are included.

Compression Ratio with 49cc Heads 8.4:1.

Specifications

  • Clip Style: Round Wire
  • Clips Included: Yes
  • Coatings: Phosphate plus Grafal
  • Crown Vol: -12.0cc
  • Package Qty: Sold as a set of 4
  • Pin Diameter: 0.905
  • Pin Length: 2.260
  • Pin Mass: 124g
  • Pin Material: Steel
  • Pin Style: Floating
  • Pins Included: Yes
  • Piston Mass: 346g
  • Piston Material: Forged, 4032
  • Piston Ring Thickness: 1.2mm, 1.2mm, 2.5mm
  • Piston Style: Dish, w/ 4 valve reliefs
  • Rings Included: Yes

Compatibility

  • Subaru EJ20/207

Mahle pistons were designed as a completely finished drop in forged piston assembly. Other than filling the included performance piston ring set, everything is done for you. Mahle has over 80 plus years of piston manufacturing making pistons from OEM to formula 1 racing. Mahle uses only the best technology to make these pistons. Mahle pistons come standard with anti-friction skirt coating for reduced drag. Forged from 4032 low expansion aluminum alloy for high strength and reduced piston to wall clearance. Forced Pin Oiler is used for increased wrist pin lubrication. Pin bores are CNC precision-machined. 23mm High-Quality Steel Wrist Pin (123g), Performance 1.2, 1.2, 2.5mm performance ring set, steel nitrided top ring, and Race Proven Round Wire Locks are included.

Compression Ratio with 49cc Heads 8.4:1.

  • Clip Style: Round Wire
  • Clips Included: Yes
  • Coatings: Phosphate plus Grafal
  • Crown Vol: -12.0cc
  • Package Qty: Sold as a set of 4
  • Pin Diameter: 0.905
  • Pin Length: 2.260
  • Pin Mass: 124g
  • Pin Material: Steel
  • Pin Style: Floating
  • Pins Included: Yes
  • Piston Mass: 346g
  • Piston Material: Forged, 4032
  • Piston Ring Thickness: 1.2mm, 1.2mm, 2.5mm
  • Piston Style: Dish, w/ 4 valve reliefs
  • Rings Included: Yes
  • Subaru EJ20/207

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