Forged Piston & Long Rod Combo for GX390

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Our Price: $399.00

Stock Status:In Stock

Part #: LONGRODCOMBO-GX390

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Description -

Forged Flat-Top Piston and Long Billet Rod Combo
Drop-In Kit - No Cutting or Honing Required

This kit can produce significant more HP more than the stock rod & piston. Kit uses special long length rod and custom flat-top piston so that it fits a stock bore in a GX390 without any machining or boring. Includes piston, rod, rings, bearing, and wrist pin.

Piston: Diamond Forged Flat-Top
Rod: ARC 4.450 (+.040) Rod
Bearing: Tri Metal
Rings: 3 Piece Moly
Wrist pin: HD Tool Steel

*Notes: On used blocks, a light hone may be needed for proper ring seat, and bore must be straight. Slight grinding on the crank counterweight or on the camshaft may be needed to clear rod. You must have a at least .020 between head and piston.

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