TECH NOTES This is the Piston Pin for the 40FP, 40LA, and FS-40 Surpass OS Max engines. FEATURES: Polished Metal Construction INCLUDES: One Piston Pin Two End Pads REQUIRES: None, item is a stock part SPECS: Length: 18.4mm (.73″) Diameter: 5mm (.20″) COMMENTS: End Caps are only available with this set.

This is the replacement drive washer for the FS-120 OS engine. PACKAGE INCLUDES: 1- Drive washer (aluminum) 1- Woodruff key SPECS: Diameter face: (34mm) Engine side diameter: (31mm) Inside diameter: (12mm) Width: (14mm) approximately 5/8″ sek/3-31-94   BOX DIMENSIONS: 2.13″ W. X .63″ H. X 3.50″ L. BOX WEIGHT: .06 LBS.