Description
Engine Features
- Ronda and Adam Drake’s unique engine specs are not used on any other O.S. Speed engine.
- Great for buggy and truck racing.
- Redesigned cylinder liner with optimized porting.
- DLC crankshaft with larger double tungsten counterweight.
- Semi-long stroke configuration.
- Pink anodized 6.5 and 7.5 mm carburetor reducers included.
- Ceramic rear bearing.
- 21J carburetor.
- O.S.SPEED P3 gold plug, great for medium and low speed torque performance, is also included
Engine Specs:
Displacement: 3.49 cc / 0.213cu.in.
Bore: 16.4mm / 0.646 in.
Stroke: 16.55mm / 0.652 in.
Output: 2.65 ps / 2.61 hp / 34,000 r.p.m.
Practical RPM range: 4,000-42,000 r.p.m.
Engine weight: 350g / 12.35 oz.
Pipe Features: TB02/2090SC
- Fits the O.S. 21XZ-B, 21VZ-B, 21-VG, 25XZ, 28XZ and 30VG engines Aluminum construction.
- Polished natural finish EFRA-2089 noise rating
- Tuned for 1/8 scale offroad Truggy applications.
- Pressure nipple pre-installed
Specifications:
Length: 6.6″ (167mm)
Diameter: 1.4″ (35.2mm)
Exhaust Outlet Diameter: 0.31″ (8mm)
Manifold:
The O.S. M2000SC Off Road Exhaust Manifold Assembly (75mm).
Shorter manifold will have smoother power delivery and more top end.
Engine Combo Includes:
- (1) 75 mm Header/Manifold
- (1) Muffler/Pipe
- (2) Long Springs
- (3) Short Springs
- (1) Engine to Header Gasket
- (1) Header to Muffler Gasket
- (1) P3 Gold plug
- (1) 21J carburetor
- (1) Ronda Drake 2 (RD2) Pink Edition Engine
- Dust Cap set
- Pink anodized 6.5 mm and 7.5 mm carburetor reducers.