
DRAG SPECIALTIES Piston Kit – Manufacturer Ref. 21930-99-020
Designed for Twin Cam engines, this DRAG SPECIALTIES piston kit is a faithful replacement solution for original parts for Vintage/Classic and Touring applications. The pistons feature a cast aluminium alloy structure (cast style) to maintain the original appearance and clearances on 1450 cc engines and equivalents.
The kit includes:
This kit is presented as a direct replacement part to keep the cylinder/piston assembly within the specified oversized tolerances. Check the diameter of your sleeves and manufacturer tolerances before installation. Frequently compatible models: Harley-Davidson FXSTSI, FXSTI, FXSTBI (1450 cc, 2006, FS2).