The SH Engines PT2021-P3XGB Photon Pro Off Road .21 Buggy Engine is the result of years of refinement. Focusing on durability and reliability, this is an incredibly powerful 3-port .21 engine, at a price that is going to shake things up in the 1/8 scale nitro market. Package includes engine, glow plug, 6.0, 6.5, 7.0 and 7.5 venturis, head shim, collet, throttle rod end ball link and a full rubber cap set for the exhaust, intake and fuel nipple.

Specifications: 

Cubic Capacity: 3.497cc 

Bore: 15.88mm 

Stroke: 17.60mm 

R.P.M: 35,000rpm 
Glow Plug Type: Turbo

Weight: 354g