MR Ninja .21 and .28 Engine Screw Kit (4-bolt)

Description

MR Ninja .21 and .28 Grade 12.9 black oxide alloy steel Engine Screw Kit (4-bolt). Kit comes with four 3.5mm cap head machine screws for the head, four 2.5mm x 8mm cap head machine screws for the backplate and one 2.5mm x 16mm cap head machine screw for the carburetor cinch bolt. Fits: GRP Engines and GRP produced MR Ninja, Falcon and Boss .21 and .28 engines. Please note this kit is NOT for the O.S. based Mugen Ninja JX21.