Starter Clutch. Fits All Big Twins 1965-1988, Softail 1984-1988 & Sportster 1967-1980.

Features & Benefits:-

* Utilizes oversize rollers for improved performance under hard starting conditions

* Replaces OEM # 31443-65A

Tech Tips:-

* Advanced timing, High Compression, & Increased cubic capacity can cause failure of Ring Gear, Pinion Gear teeth & Starter Clutch

* Electronic or Manual Compression Releases are options for decreasing compression during start-up on Shovel & Evo Engines.

MFR PART No: MC-SDR1

ROLLIES PART No: STD-MC-SDR1