O.S. 21XZ-B Version II

O.S. 21XZ-B

Your Price: $349.99

Retail Price:$564.99

You Save:$215.00(38%)

Free Shipping USA only

Part Number: OSMG2053

Availability: Factory Discontinued

Engine Options *

Exhaust Pipe

Manifold (Header)

Description

O.S. 21XZ-B Off-Road Race Engine

The 21XZ-B Version II delivers ideal performance at a reasonable price. It continues to exceed the expectations of even pro racers, delivering power comparable to the Speed Spec II at a lower price. Upgrades include a lightened cylinder head, improved cooling and a brand new 21J carb for easy tuning. If you're looking for incredible throttle response and the power to conquer off-road, you've found it in the 21XZ-B Version II.

Performance that rivals the Speed 21XZ-B Spec II
Shares the piston, liner and con rod of the Spec II
Easy to Tune 21J Carburetor with 7mm Venturi
Optimized power band

Recommended:

Buggy - OS TB-02 (2090) with 75mm Header - 30% Nitro - P3 or P4 Glow Plug

Truggy - OS TB-03 (2100) with 85mm Header - 30% Nitro - P3 or P4 Glow Plug

Silicon-filled crankshaft with tungsten counter weight
Low center of gravity
Blue anodized head
Incredible throttle response

O.S. 21XZ-B

Choose Options

Mailing List - Join to Save 10%