Big Bore Spring; Med Yellow - 4.6 (2)

Core RC Big Bore Spring, Med Yellow – 4.6 (pair). Part number SCH-CR636 (CR636). These progressive big bore springs are precision made to help your 1/10 off-road car float over bumps while resisting excessive roll in corners. Consistent wire diameter delivers predictable handling across the range, with close rate increments that make fine suspension tuning straightforward. Supplied as a pair (2).

Key Features

• Progressive big bore design for improved bump absorption
• Constant wire diameter for consistent spring characteristics
• Close rate increment enables fine tuning between steps
• Med Yellow 4.6 marking for easy identification
• Black coated finish
• Precision-ground ends for accurate seating
• Available as pairs or tuning sets (range dependent)

Suggested Compatibility

Suggested compatibility: 1/10 off-road vehicles equipped with big bore shocks. Can be used on small bore shocks when fitted with optional top converters.

Optional Accessories

• Core RC spring converters for small bore shocks: CR190 and CR191 (top converters). The bottom of the spring fits regular small bore shock bottoms.