Novarossi .21 Engine Screw Kit (6-bolt)
Novarossi .21 Grade 12.9 black oxide alloy steel Engine Screw Kit (6-bolt). Kit comes with six 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 20mm cap head machine screw for the carburetor cinch bolt. Fits: Novarossi (and Rex/Top Versions) S421B/NX, S421BX/RX as well as some RB's.

Click To Enlarge
- Item #: TS-NR21-6
No Reviews. Write a Review