This is the Traxxas TRX 3.3 Racing Engine with Pull Starter.
FEATURES: For use in all Traxxas TRX2.5 and TRX 3.3 equipped vehicles
Pull starter can be removed to install the EZ Start
60% more peak power than the TRX2.5, with nearly 50% more power
under the curve for strong linear acceleration
Round rear exhaust with one-piece IPS crankshaft
Composite body slide valve carburetor with high-volume air filter
Blue anodized aluminum cooling head with molded head protector
INCLUDES: Traxxas TRX 3.3 Racing Engine with Pull Starter and glow plug
One instruction manual
One service support guide and parts lis.
One set of engine decals
One engine break-in DVD
One small bottle of air filter oil
One air filter
REQUIRES: Car fuel with 10%, 20% or 33% nitro content
SPECS: Displacement: .20 cu in (3.3cc)
Practical RPM: N/A
Weight: 10.9oz (305g)
Distance between mounting holes same side: 0.39" (10mm)
Distance between mounting holes opposite side: 1.2" (32mm)
Distance from center of engine to front bearing: 1.2" (32mm)
Distance/bottom of mounting flanges/top of cylinder head: 3.5" (88mm
Width of mounting flanges: 44mm
COMMENTS: Other versions of the TRX 3.3 engine include;
#5404 Single Shaft without Starter, TRAG5404
#5406 Multi-Shaft without Starter
#5409 Multi-Shaft w/Recoil Pull Starter, TRAG5409
BOX DIMENSIONS: 5.38" W. X 2.88" H. X 7.75" L.
BOX WEIGHT: 1.32 LBS.