New O.S. Speed Replacement Piston, Sleeve, and Rod set

O.S. Speed Complete Piston/Sleeve/Rod Assembly.  This includes piston and sleeve, but also the connecting rod, wrist pin and wrist pin clips. The rod is already pre-assembled for you, so you can simply install it in the engine and forget about the hassle of removing wrist pin clips to install a new rod!

This is a replacement Piston Sleeve and Rod set for the following engines listed below. Select your engine type: Then you can order with or without Bearings. If you order with bearings it’s a $15 savings. Bearing combo comes with Steel Front & Ceramic Rear bearings. Then Select EBIS Option (Break-In or no Break-In)

(O.S. Speed Piston/Sleeve/&Rod set Options)

B21AD compatible with AD3,AD2,AD1,RD1, & RD2 Edition engines. All use the same Piston, Sleeve, & Rod.

B2101 compatible with B2102-Tessmann engine. All use the same Piston, Sleeve, & Rod.

Spec 2 compatible with FP01, FP02, Tessmann 110%, & Blok. All use the same Piston, Sleeve, & Rod.

Spec 3

B2103 compatible with Protek Samurai, RM, S03, R03 All use the same Piston, Sleeve, & Rod.

B2103 R

B2104