RB Head Button
[RBD01090]

This item earns up to 31 Customer Rewards Points! With your purchase, receive at no cost: In Stock! Free Shipping Eligible! (See Details)

This is a replacement Standard head button for RB Concept Square Stroke .21 engines, such as the Econo 3-port, S5, S7II and WS7II family of engines, and is also included with the Hobby 9, Junior 9 and Series 9 family of engines. This is the same as the head button that comes in the box with these engines.

Part Compatibility:
RB Products Hobby 9/10	RB Products Junior 9/10	RB Products S3
RB Products S5	RB Products S7	RB Products WS7