the lower groove will be for the oil ring

Brake disc from Braking

These fittings are installed on one or both ends of the brake line

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66-78 74" (1200) Shovel

KB PERFORMANCE, 96" TO 103" BIG BORE PISTON SET. +.010" Tändspole the lower groove will beFor 96" to 103" (3 3 4" to 3 7 8") big bore conversions. Used with stock heads and cylinders. By boring the stock cylinders from 3 3 4" to 3 7 8" big bore size engine capacity will increase from 96" to 103". Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise. 10. 0: 1 CR with 85cc head. Head type: Flat top. +1. 9cc Compression height