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.21 / 3.5cc Pro Competition Nitro Engine

The SH .21 XB-1 Pro Competition Off-Road engine is designed specifically for 1/8th scale off-road racing. It features competition-grade aluminum-alloy parts, an aluminum piston with 6-port chrome-plated brass sleeve, dual ball bearing-supported crankshaft, 2-needle slide carburetor with 7.5mm and 8.5mm intake restrictions, heat-dissipating cylinder head and superb attention to detail and quality. All SH engines are created using CNC manufacturing equipment to ensure every engine is produced to the exacting quality that you expect from an engine of this caliber. SH engines offer the best in reliability, power and cost.

.21 / 3.5cc Rear Competition

SG Shaft φ 14mm,
6 Ports,
Alum Head

PT2002-XB