Hastings 4.145" Bore Piston Rings 5/64 x 5/64 x 3/16" Thick Standard Tension Moly - 8 Cylinder 29002R 11-1/8 x 10-1/2 in

11-1/8 x 10-1/2 in

72cc and 87cc

Torrington thrust bearings reduce friction between the block and cam sprocket

ALL22390/22391 three-point door bar mounts are constructed of 1" steel tubing and bolt to the frame

realtime measurement allows you to know when to downshift or when to take your foot out of it

Hastings 4.145" Bore Piston Rings 5/64 x 5/64 x 3/16" Thick Standard Tension Moly - 8 Cylinder 29002R 11-1/8 x 10-1/2 inProduct Description: Piston Rings 4. 145 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Plasma Moly 8 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.