HPI 1421 BALL BEARING 607Z FRONT /21BB 1969 Optional use SAFE Select flight

Optional use SAFE Select flight envelope protection makes flying easier

Cat 1:50 scale CT660 Day Cab Tractor with McNeilus Bridgemaster Mixer 85664C

Movable control surfaces and open/closed flaps

9” XL Tires

HPI 1421 BALL BEARING 607Z FRONT /21BB 1969 Optional use SAFE Select flightGenuine HPI Racing #1421 607Z front crankshaft bearing for the Nitro Star 21BB engine. This factory front engine bearing supports the crankshaft inside the crankcase and is used during 21BB engine servicing or rebuilds to restore smooth crankshaft support. 607Z front ball bearing Designed for HPI Nitro Star 21BB Supports the front of the engine crankshaft Direct replacement internal engine bearing Genuine HPI Racing engine part HPI part number: 1421.