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Traxxas T Maxx .15 To 2.5 Upgrade Kit (Traxxas 4900 | TRA4900)

Model: Traxxas 4900
Dist. #: TRA4900   SKU: TRA4900

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Price:  $25.00

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Updated on May 17, 2025 09:52:02 AM

T-Mx Pro .15 To TRX 2.5 Upgrade Kit...
This is the Pro .15 to TRX 2.5 engine conversion set from Traxxas.
It allows you to mount the more recent 2.5 engine to an older T-Maxx.

FEATURES:
Tuned pipeline, bellcrank, & throttle servo horn made from plastic
Linkage wire made from steel

INCLUDES:
One Plastic Tune Pipe w/Wire Hanger (TRAG5152)
One Exhaust Header w/Screws & O-ring (TRAG5140)
One Exhaust Coupler (TRAG5246)
One Slide Carbohydrate Link Bellcrank (TRAC5167)
One Slide Carbohydrate Linkage Set (TRAC5168)
One Drill Bit for drilling Bellcrank Post mounting holes
2 Tie-Straps for mounting Exhaust Coupler
One 90-degree pressure fitting
One 3x10mm machine cap screw w/washer
One direction sheet
One drilling template sheet

REQUIRES:
2.5 engine stock clutch system and stock engine mount

SPECS:
Tune Pipe Length: 101.6mm (4")
Header Pipe Outer Size: 13mm (.51")
Drill Bit size: 3.175mm (.125")

REMARKS:
If EZ Start system is needed, use TRAP5271

You will certainly love this thing if you have the thing previously discussed.

3.3 Engine Ips Shaft W/Pull Start

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 almost 50% more power
    under the curve for strong linear velocity
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 Beginner and glow plug
One direction manual (TRAZ5300)
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:
Vehicle fuel with 10%, 20% or 33% nitro material

SPECS:
Displacement: .20 cu in (3.3cc)
Practical RPM: N/A
Output: N/A
Weight: 10.9oz (305g)
Range between mounting holes very same side: 0.39" (10mm)
Range between mounting holes opposite side: 1.2" (32mm)
Range 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

REMARKS:
Other versions of the TRX 3.3 engine include;
    #5404 Single Shaft without Beginner, TRAG5404
    #5406 Multi-Shaft without Beginner, TRAG5406
    #5409 Multi-Shaft w/Recoil Pull Beginner, TRAG5409

Frequently Bought Together

Traxxas T Maxx .15 To 2.5 Upgrade Kit
+
Traxxas 2.5 Eng Ips Shft W/Recoil P/S
+
ARRMA Body Clip Retainer 1/8 Scale Black (4)
This Item: Traxxas T Maxx .15 To 2.5 Upgrade Kit
$25.00
Traxxas 2.5 Eng Ips Shft W/Recoil P/S
$169.95
ARRMA Body Clip Retainer 1/8 Scale Black (4)
$5.99

Total Price: $200.94

Add All Three To Cart

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