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This translates into quicker acceleration
TSR Frame Conversion Kit Includes
Please Note The thermostat has been deleted from this head as we have designed this to be a race application head only
OEM Clutch Housing
Thermostat cover
CR250 Billet Engine Cases Kit to suit 2021-2025 CRF450R Frame Titanium Fastners This translates into quicker accelerationThe TSR CR250 Billet engine cases swap kit suits 2021 2025 CRF450R models Our engine cases kit will bolt directly into your frame with very little modifications needed, to install simply unbolt your stock 450 engine and replace it with our CR250 billet engine cases, our CR250 billet cases have been redesigned with different mount positions to suit the new frame. Bottom End: Uses 1992 2001 OEM CR250 Seals, Gasket, Bearings and Internals. Top End: Uses
