Part# & SpecificationsGEAR REDUCTION HIGH PERFORMANCE FACTORY NEW PMGR STARTER!FITS 302 AND 351 ENGINES WITH A MANUAL TRANSMISSION.THIS PMGR 12 VOLT, CW, 10-TOOTH PINION STARTER IS 100% NEW AND SOLD OUTRIGHT WITH NO CORE CHARGE!THIS STARTER WILL REPLACE OLDER 4 IN. TO 4-1/2 IN. STARTERS.THIS UNIT PROVIDES A 50% WEIGHT REDUCTION, REQUIRING LESS CRANKING AMPS WHILE STILL CRANKING WITH TWICE THE TORQUE!BECAUSE THE PMGR STARTER IS A SMALLER SIZE, IT PROVIDES BETTER HEADER CLEARANCE AND REDUCES THE EFFECTS OF A HOT START.*****SPECIAL NOTE*****THIS STARTER ONLY WORKS WITH 164 TOOTH FLYWHEEL.FOR VEHICLES 1991 AND OLDER - WE INCLUDE A FREE WIRING HARNESS ADAPTER KIT WITH INSTRUCTIONSITEM DESCRIPTION: STARTERROTATION: CLOCKWISEGEAR OD: 27.7MM / 1.091INDE HOUSING NUMBER: 371-14054MOUNTING EAR 1: 11.0MM ID UNTHREADEDMOUNTING EAR 2: 10.0MM ID UNTHREADEDWEIGHT: 8.625 LBS / 3.92 KGAs a parts distributor we mostly sell parts. parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.PLEASE VERIFY YOUR OEM Part# FROM YOUR ORIGINAL UNIT TO HELP ENSURE FITMENT.LT TRUCKS MOTORHOME 77 4.9L(300) L6 W/MT - TO 2/1/77LT TRUCKS MOTORHOME 76-73 4.9L(300) L6 W/MTLT TRUCKS MOTORHOME 77 5.0L(302) V8 W/MT - TO 3/1/77LT TRUCKS MOTORHOME 76-69 5.0L(302) V8 W/MTLT TRUCKS MOTORHOME 77 5.8L(351) V8 W/MT - TO 2/1/77LT TRUCKS MOTORHOME 76-75 5.8L(351) V8 W/MTLT TRUCKS P-SERIES TRUCKS 74-65 3.9L(240) L6 W/MTLT TRUCKS P-SERIES TRUCKS 74-65 4.9L(300) L6 W/MTLT TRUCKS P-SERIES TRUCKS 76-69 5.0L(302) V8 W/MTLT TRUCKS RANCHERO 77 5.0L(302) V8 W/MT - TO 3/1/77LT TRUCKS RANCHERO 74-69 5.0L(302) V8 W/MTLT TRUCKS RANCHERO 74-69 5.8L(351) V8 W/MTCOMET 63-62 3.7L(221) L6 W/MTCOMET 64-63 4.3L(260) V8 W/MTCOMET 68-64 4.7L(289) V8 W/MT