BSA 650 Piston set pistons + .040 40 over A65 unit 650 1963 to 1972
You will get everything you see in the picture. Two brand new quality JCC A65 650 pistons / .040 over, two rod pins, and 4 keepers. The rings are sold separately.
Manufacturer: JCC
+1/2 mm per .020 oversize
A65
Standard 75mm
+.020 - 75.5mm
+.040 - 76mm
+.060 - 76.5mm