DESCRIPTION	PART #
Outside Diameter 70.5mm, top flange 75mm, this sleeve will accept from stock size (64mm) to 65mm (.100) oversized pistons. Stock Porting	60-520-01
Heavy Duty Sleeve
Outside Diameter 73mm, top flange 77mm, this sleeve will accept from stock size (64mm) to 69.5mm oversized pistons. Stock Porting	60-520
Big Bore Sleeve
Outside Diameter 76mm, top flange 79mm, this sleeve will accept from 68mm to 70.5mm oversized pistons. Slightly modified port configuration increases horse power. No case modifications necessary.	60-520-02