Upgrade Parts

Set of four blank small bore pistons

Aluminum caster block set with 0*, 5*, and 10* inserts.  Compatible with the 2024 dirt oval line of cars

Metric brass rear hub for the stock versions of the 2024 Assault HB, 2024 Prodigy, 2024 Assailant, 2024 Mistress, 21+4 Assault, 21+4 Assailant, and 2025 Hustler. Compatible with all 24 dirt oval cars, but it will need the GFR-1230 Axles and 68mm dog...

Small bore three hole piston compatible with the following shock shafts: QS-5048 QS-5049 QS-5050 QS-5051 QS-5052 QS-5053

Small bore pistons compatible with the following shock shafts:   QS-5048 QS-5049 QS-5050 QS-5051 QS-5052 QS-5053

Metric brass battery locator mounts

Metric Aluminum servo mounts. Set of two in black.

Replacement carbon fiber bumper mount for late models (GFR-1396 kit).

Carbon fiber replacement bumper for the GFR-1396 bumper kit

Metric Aluminum battery mounts. Only available in black.

Metric pair of 1/3 rear arm mounts in black.

Small bore bleeder cap. Conversion for the 2 piece small bore cap (QS-5022). Comes in a set of four with screws and 1 x 9.5mm O-rings. 

Brass Insert to add Weight to the Molded arms (GFR-1402). 1 per pack

Carbon Fiber Insert to add rigidity to the Molded arms (GFR-1402). Sold in pairs 

Carbon Fiber Late Model Front Bumper with Left, Right, and Forward Adjustability.  

1 pair of raised spring buckets for Five Seven Designs big bore shocks.     Compatibility: Five Seven Designs    Formerly 57-1048