JavaScript seems to be disabled in your browser.

You must have JavaScript enabled in your browser to utilize the functionality of this website. Click here for instructions on enabling javascript in your browser.

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

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

Be the first to review this product. (Write Review)

Shipping: In Stock For Shipping
Store Pickup:

South Jordan, UT
Available Now!

Price:  $25.00

This item will earn you 25 reward point(s).
25 points = $0.50 off your next order. Learn More

Updated on Apr 27, 2025 05:00:15 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 newer 2.5 engine to an older T-Maxx.

FUNCTIONS:
Tuned pipeline, bellcrank, & throttle servo horn made of plastic
Linkage wire made of 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 installing holes
Two Tie-Straps for installing Exhaust Coupler
One 90-degree pressure fitting
One 3x10mm device cap screw w/washer
One guideline sheet
One drilling design 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")

COMMENTS:
If EZ Start system is needed, utilize TRAP5271

You will certainly like this item if you have the item previously mentioned.

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 automobiles
Pull starter can be gotten rid of to set up 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 Beginner and radiance plug
One guideline handbook (TRAZ5300)
One service assistance 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
Output: N/A
Weight: 10.9oz (305g)
Range in between installing holes same side: 0.39" (10mm)
Range in between installing holes opposite side: 1.2" (32mm)
Range from center of engine to front bearing: 1.2" (32mm)
Distance/bottom of installing flanges/top of cylinder head: 3.5" (88mm
Width of installing flanges: 44mm

COMMENTS:
Other versions of the TRX 3.3 engine consist of;
    #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

Customers who bought this product also purchased

Visual Parts Finder