Hastings Hastings, 3-3/4″ bore chr/moly piston ring set. STD

Description

Hastings Hastings, 3-3/4″ bore chr/moly piston ring set. STD

99-06 Twin Cam A/B (NU)

Stock replacement for 99-06 Twin Cam 88™ 1450cc models. Std cyl. bore: 3.75″ (95.25mm). 1st ring: 1.5mm. 2nd ring: 1.5mm. Oil ring: 3.0mm. Tech tip: Piston grooves vs piston rings. It’s not difficult to determine if a Hastings piston ring set will fit a certain piston. You should measure the height of the piston groove in the piston itself. The 2 top grooves will be for compression rings, the lower groove will be for the oil ring. In most cases Hastings oil rings are of the low tension 3-piece flex vent type. Ring heights are listed for reference. Tech tip: Piston oversizes. For each oversize cylinder diameter will increase with .010″ (0.254mm). The standard bore of the cylinder is listed for reference. (Information provided by Hastings Manufacturing Company, Inc.)

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