Stihl OEM Piston & Cylinder Assembly (40mm) for Model 023 Chainsaws with Easy Start

Stihl OEM Piston & Cylinder Assembly (40mm) for Model 023 Chainsaws with Easy Start

Stihl Piston Ring

Stihl Piston Ring

NWP Big Bore Piston Assembly (54mm) for Stihl 046, MS 460 Chainsaws

SKU
PKM 046BB
Replacement big bore piston assembly for NWP. These piston assemblies are designed to fit NWP big bore kits only, and will not fit standard OEM cylinders. Piston assembly includes an oversized piston, rings, piston pin and circlips. Pistons have a thin coat of molybdenum on the skirt, which helps reduce friction and wear during initial break in period. The piston rings are made from ductile cast iron, so your chances of breaking them during installation are greatly reduced. We recommend replacing your cylinder gaskets and using a piston ring clamp set to help when changing a piston. Gaskets are sold separately.

Important Note: Some chainsaw models have different piston and cylinder options. Please see the tabs below for specifications and fitment requirements before ordering.

$29.99
Shipping Weight 1.0 lbs.

In stock
Fits the following models:
  • Stihl 046/MS 460 with Big Bore Kit
  • Bore 54mm
  • Height 36.5mm
  • Head Type Flat
  • Piston Pin 12mm x 7mm x 35mm
  • Rings 54mm x 1.2mm Ductile Split Groove
  • Circlips 12mm
  • Compression/Pin to top of Piston 15.5mm
  • Compression/Pin Center to top of Piston 21.5mm

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