65-78 BStd 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"> 65-78 B"> 65-78 BStd 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"> 65-78 B"> 65-78 BStd 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"> Hasting Rings Pan/Shovel 74" +.030 Styren Fits: > 65-78 B – ots.co.th
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Description

Fits: > 65-78 B

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

Replaces OEM 2750-40 and late OEM 48301-40

#2 = rear intake

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

Hasting Rings Pan/Shovel 74" +.030 Styren Fits: > 65-78 BStd 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

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