Nitro Engines

Brand: Traxxas
Model number: TRA3156
Traxxas Exhaust Header Gasket provides a direct-fit seal for side-exhaust nitro engines and includes pressure fittings (2). Ideal for routine maintenance or post-crash repairs, this compact kit is easy to install for hobbyists and racers.
$2.99
Brand: Traxxas
Model number: TRA4003
A direct replacement crank for the TRX® PRO.15 nitro engine that simplifies engine rebuilds and repairs. Supplied as the standard crank configuration without a pull starter.
$119.99
Brand: Traxxas
Model number: TRA4029
Simple, reversible compression tuning for TRX .15 nitro engines. Three aluminum head gaskets let you add one, two, or all three to lower compression and shape throttle response.
$2.99
Brand: Traxxas
Model number: TRA4047
Traxxas Carburetor O-ring Set provides replacement seals for the TRX Pro.15 carburetor to keep fuel and air passages leak-free. Ideal spare kit for hobbyists performing routine maintenance or minor repairs.
$3.99
Brand: Traxxas
Model number: TRA5140
Traxxas Aluminum Exhaust Header is a direct replacement for worn or damaged stock headers. Designed for T-Maxx models running TRX 2.5 and 3.3 engines, it improves heat handling and fits the OEM mounting points for an easy swap.
$20.99
Brand: Traxxas
Model number: TRA5167
Direct replacement bellcrank kit for slide-style carburetors. Includes the bellcrank post and all mounting hardware for quick roadside repairs or routine engine maintenance.
$3.99
Brand: Traxxas
Model number: TRA5224
The Traxxas Connecting Rod restores precise piston motion and smooth power delivery in TRX nitro engines. Ideal for hobbyists and technicians performing engine repairs or routine rebuilds.
$29.99
Brand: Traxxas
Model number: TRA5228
Compact replacement protector that keeps the TRX 3.3 cooling head guarded during transport and maintenance. Ideal spare for hobbyists who run nitro engines.
$3.99
Brand: Traxxas
Model number: TRA5230X
Traxxas Piston And Sleeve 2.5R is a matched piston-and-sleeve set for TRX 2.5 and 2.5R nitro engines. Includes two wrist pin clips and restores smooth compression for rebuilds and routine maintenance.
$70.99
Brand: Traxxas
Model number: TRA5234
Replacement carburetor body for Traxxas TRX 2.5, 2.5R, and 3.3 nitro engines. Includes the fuel inlet plug and the 5x.9 mm O-ring to restore proper sealing and fuel flow. Ideal for hobbyists performing routine maintenance or repairing engine damage.
$16.99
Brand: Traxxas
Model number: TRA5240
Replacement Traxxas Carburetor End Cap for the 2.5 nitro engine. Machined aluminum cap and a rubber O-ring deliver a reliable seal for routine maintenance and repairs.
$3.99
Brand: Traxxas
Model number: TRA5250
The Traxxas High-Speed Needle Assembly delivers precise fuel metering for high-RPM running. Includes a fuel fitting plus 2.5x1.15 mm O-rings (2) and 5.3x7.8x.6 mm crush washers (2); fits TRX 2.5, 2.5R, and 3.3 engines.
$11.99
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