dimensions: 18" long x 9 1/2" wide

this cam will add torque and HP at lower and middle RPM ranges

#2 = rear intake

Fits: > L37-E77 4-speed B

Fits: > 07-10 FXST/B/C/D

Hasting Rings Pan/Shovel 74" +.030 Styren dimensions: 18" long x 9Std cyl. bore: 3. 4375" (87. 312mm). 1st ring: 1. 6mm. 2nd ring: 1. 6mm. oil ring: 4. 75mm. 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