Speed-tuned for championship-caliber performance!
Countless champions, including Mark Pavidis and Atsushi Hara, have trusted O.S. Speed engines to give them a competitive edge. Now, O.S. is proud to continue that winning tradition with the 21XZ-B Speed! A specially designed black-anodized cylinder head improves cooling and reduces weight, while an upgraded, DLC-coated crankshaft improves fuel flow. It all adds up to yet another exceptional, Speed tuned engine from O.S.More info below...
The NEW 21xz-b Buggy Engine by O.S. Speed.
Features and Specifications :
- Unparalleled, speed-tuned power characteristics.
- Lower fuel consumption â€“ offering 8% longer run times than the former model, 21VZ-B V-Spec Speed.
- Race-proven 3-port sleeve with special Speed version inner head and porting for smoother acceleration.
- Tough, DLC-coated crankshaft features a silicone-filled intake passage for improved fuel flow.
- New 21J2(B) three-needle carburetor includes 6 mm, 6.5 mm and 7 mm restrictors for fine-tuned control.
- A lowered center of gravity provides steadier vehicle handling.
- Long stroke allows for superior torque.
- A black anodized crankcase with ceramic ball bearings helps reduce resistance and increase performance.
- Turbo head
- Displacement - 3.49cc
- Bore - 16.27mm
- Stroke - 16.8mm
- Practical R.P.M. - 4000 - 40000 r.p.m.
- Power Output - 2.6ps / 33000 r.p.m.
- Weight - 355g
Package Inlcludes :
- P3 Glow Plug x1
- Exhaust Seal Ring x 1
- Carburettor Reducer with O Ring 6/7mm 1pc each
- Dust Cap Dia. 3/16/18 1pc each
- Comprehensive Instruction Manual