Nitro Star F4.6 Engine P.Start With Air Cleaner & G.Plug (R5)
The F4.6 is the powerplant responsible for the immense speeds and raw torque in the Savage X 4.6, and now it's available to fit into any Savage or big-block monster truck! It features all the race tun

RS.28 Monster Engine Ver III with Pullstart
Big size models need big size engines. Especially for the growing Monster truck market. NOSRAM present the big block engine: The RS.28 MONSTER! A displacement of .28 (4.59ccm) provides this engine wi

Nitro Star K4.6 Engine with Pullstart
Available from HPI Racing, the Nitro Star K4.6 engine, capable of propelling the Savage monster truck to speeds of 44 mph and wheelie off the line. The K4.6 is a 4.6cc (.28 cubic inch) big block engin

Nitro Star K4.6 HO Engine with Pullstart
The HPI Nitro Star K4.6 HO engine is the high output (HO) version of the well known HPI Nitro Star K4.6 engine (#HP15201). The new high output version is optimized for higher revs and the use on tra

GRP ENGINE Tuned 01 PromoKit - 28 TRUGGY
The complete line of GRP engines have been re developed from the ground up using technology and feedback from GRP's race team around the World. Engine Guru Mario Rossi has been overseeing the project

CRF 28 - Truggy Race Nitro Engine
Specifications: Capacity: 4.67 cc Bore: 18.35 mm Stroke: 17.60 mm HP: 2.85 Ports: 5 RPM: 35,000 Weight: 330 g

GRP ENGINE Tuned 01 - 28 TRUGGY
The complete line of GRP engines have been re developed from the ground up using technology and feedback from GRP's race team around the World. Engine Guru Mario Rossi has been overseeing the project