AXE Rossi 21 Model 198R21 COBRA VP Series Off-Road HOT MOD Modified by Jim Hottinger 1/8-Scale Buggy Competition Engine with instructions, accessories, glow plug and AXE Rossi EFRA 2050 Tune Pipe Kit.  The new model Cobra engines come with two needle carburetor.

The VP Series modified engines increase the air & fuel mixture flow through the engine that increases the HP and RPM from 20% to 30%.

SG Model Engines offer warranty replacement parts for the modified engines at 50% of the catalog price.  These parts are the pinston & sleeve, connecting rod, wrist pin & clips and ball bearings. 

The AXE Rossi COBRA Factory Engine specs are:

DISPLACEMENT: 3.5cc
HORSE POWER: 3.1 HP
RPM: 40800
BORE: 16.00 mm
STROKE: 17.40 mm
PORTS: 7 + 2 BUSTER EXHAUST SYSTEM
CRANKSHAFT & TYPE: Æ 14 SG
GLOW PLUG: STANDARD
WEIGHT: 340 gr

The AXE Rossi COBRA VP Modified Engine specs are:

DISPLACEMENT: 3.5cc
HORSE POWER: 3.87 HP
RPM: 51000
BORE: 16.00 mm
STROKE: 17.40 mm
PORTS: 7 + 2 BUSTER EXHAUST SYSTEM
CRANKSHAFT & TYPE: Æ 14 SG
GLOW PLUG: STANDARD
WEIGHT: 340 gr

The features of this engine are:

• New crankshaft with with tungsten inserts on the flywheel for balanced performance.

• New carburetor with heat insulation prevents fuel vaporization.

• New shell mold casting crankcase with a new patented intake ports system.

• Buster exhaust system.

• Bigger rear ball bearing. 

Rossi engines are hand made in Italy, built to the most precise tolerances, with the finest Swiss CNC machine equipment, using the best quality materials to give you the highest performance and longest life.

ROSSI ENGINES ARE RECORD ENGINES WITH POWER & PRECISION.