| Product: |
1966 to 1985 Harley Davidson Big Twin Shovelhead
Billet Aluminum Alloy Cylinder Set |
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Photos: Click for larger view |
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| Description: |
These custom made Shovelhead Big Twin Cylinders are CNC machined out of a solid piece of lightweight 7075-T6 aircraft aluminum (See information page)
The bores are sleeved with centrifugally cast gray iron sleeves. |
| Options: | VisionPolish Finish or Black Hardcoat Finish |
| Part Numbers: | ... |
| Year(s): Make: Model: |
Stock Fit for 1966 to 1978 (3 7/16 inch Bore = 74 cubic inch engine cylinders)
Stock Fit for 1979 to 1985 (3 1/2 inch Bore = 80 cubic inch engine cylinders) |
| Bore: | Product is shipped with an unfinished bore size of 3.420 inches and will need to be bored and honed by a qualified machinist to fit your pistons. (Pistons not included) |
| * Note: | Cylinders pictured will only fit 1966 to 1985 Harley Davidson Big Twin Shovelhead They will not fit any other year or model. |
| * Note: | Each set is approximately 7 lbs. lighter than stock cast iron cylinders, and will run considerably cooler due to the increased heat transfer abilities of aluminum. |
| * Note: | Shovelhead models utilize external oil return lines (Instructions included with purchase of Billet Aluminum Cylinder Set) |
| * Note: | Big Twin Big Bore Shovelhead R&D has been completed and a limited production run has started. These cylinders will require case modifications for 1966 thru 1985 Shovelheads. Call or email us for more information. |
| * Note: |
As with any high performance product INSPECT upon receipt - NO RETURNS after acceptance of delivery. |