Top quality USA made Hastings piston ring set for unit BSA A65 650 twins from 1962-72 including Lightning, Thunderbolt, Firebird, etc.
Available in standard, +.020, +.040 & +.060 bore sizes. Please use drop down menu to select size.
Note: *** All machine work should always be performed by a qualified machine shop!
For BSA 650 pistons click here.
The product images shown are for illustrative purposes only and may not be an exact representation of the product received. Manufacturers occasionally make minor cosmetic changes to items, such as color, finish, label, or design. These changes do not impact the item’s function or compatibility. Please contact us if you have specific concerns regarding appearance.
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