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Stirlingkit
OS Speed 21XZ-GT Level 21 3.49cc GT Racing Engine Exhaust Pipe Set for 1/8 Car - Stirlingkit RC Engine
Stirlingkit
RC Engine SKU: 2952861

OS Speed 21XZ-GT Level 21 3.49cc GT Racing Engine Exhaust Pipe Set for 1/8 Car

✓ Precision Quality Inspected • Backed by 30-Day Guarantee
€698,25 USD

Engineering Summary

The OS Speed 21XZ-GT Level 21 3.49cc GT Racing Engine Exhaust Pipe Set for 1/8 Car is a RC Engine precision-engineered by Stirlingkit. Features construction machined from metal. Available for $779.99 USD with free worldwide tracked shipping, 30-day returns, and replacement parts support at Stirlingkit.

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Free worldwide shipping is available on all orders. Customers are not charged a separate shipping fee.
Estimated delivery: 5–14 business days.
Tracking numbers are emailed within 1–3 business days of order confirmation.
Import duties and applicable taxes are not included and are the customer's responsibility (DAP).

Minimum order value: €350.00. Orders with a merchandise subtotal below €350.00 are not accepted.

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✓ Free Worldwide Shipping: Tracked air delivery in 5–14 business days.
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✓ 30-Day Risk-Free Returns: Full refund on unbuilt kits in original box.

Technical Specifications

7 Verified Parameters
For Ages 14+
Color As Shown
Material Metal
Product Weight 353g
Package Dimensions 18 x 12 x 10cm
Package Weight 500g
Packing Box

Features, Architecture & Package Contents

OS Speed 21XZ-GT Level 21 3.49cc GT Racing Engine Exhaust Pipe Set for 1/8 Car

Features:


.Description:1/8 scale GT Touring class racing is becoming increasingly popular, and O.S. has developed the perfect power plant for dominating the competition. The 21XZ-GT boasts many of the advances that Speed engines are famous for, with special modifications that make it ideal for on-road applications. For the max performance GT Touring drivers demand, the Speed 21XZ-GT is the obvious choice.
.Features: Long stroke engine provides more torque; Five scavenger ports and three exhaust ports improve power in the mid- to high range; The crankshaft has been engineered for GT touring, and is silicon-potted and DLC coated with tungsten weights pressed in; The outer head features a lower CG and shiny fins; The dual adjustable carb is ROAR-legal, and comes with a 7 mm restrictor.
.Specifications:Stock Number: OSMG2062; Displacement: 0.213 cu in (3.49 cc); Bore: 0.641 in (16.27 mm); Stroke: 0.661 in (16.80 mm); Practical rpm: 4,000-42,000; Power Output: 2.61 hp/2.65 ps @ 34,000 rpm; Weight: 12.45 oz (353 g); Includes: Turbo P-3 plug; Requires: 30% nitro-methane fuel, fuel filter, igniter, starter box, fuel line with 2.5 mm ID, fuel bottle or blaster, tuned pipe set for OSMG2064 (OSMG2953 is recommended), and a break-in period
.For Ages: 14+

Specifications:

.Color: As Shown
.Material: Metal
.Product Weight: 353g
.Package Dimensions: 18 x 12 x 10cm
.Package Weight: 500g
.Packing: Box

Package Content:

.1 x Engine + Exhaust Pipe Set

Verified Builder Reviews

Authentic feedback from hobbyists, machinists, and scale model engineers

No written reviews have been submitted for this specific kit yet. Have you built the OS Speed 21XZ-GT Level 21 3.49cc GT Racing Engine Exhaust Pipe Set for 1/8 Car? Email service@stirlingkits.com with your bench photos to share your build log.

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