Tekno RC TKR1721 Crankcase

Tekno RC TKR1721 – Crankcase (21aM/aP)

Product Description:
The TKR1721 is a replacement crankcase for Tekno RC's Blok .21 competition nitro engines, compatible with the 21aM and 21aP power plants. The crankcase is the main engine housing that carries the crankshaft, bearings, and sleeve, so this is the part to reach for after a catastrophic engine failure or when rebuilding a worn or damaged case.

Features:

• Direct replacement crankcase for Blok 21aM and 21aP engines
• Precision-machined main engine housing
• Restores a damaged or worn case to service
• Note: not eligible for Tekno's general warranty program

Fits: Tekno Blok 21aM, 21aP .21 nitro engines (NB48 / NT48 nitro applications)

Includes: 1 crankcase

The foundation of a Blok engine rebuild.