TKR1711 BLOK 21aP .21 OS Speed Spec 2 - FREE Automated Oil Bath Run In !!


Oil Bath Process - Read more and see the machines in action here


See the engine in action here -


Product Description

Manufactured to the highest standards of precision in Japan, the BLOK 21aP engine provides increased power and excellent fuel mileage required by 1/8th scale offroad truggies. Features include a long stroke piston and sleeve design, DLC coated crankshaft, three needle carburetor and efficient cooling head. The specially designed P carburetor produces awesome power with mileage you’d expect from a top-of-the-line engine and comes with 6.5 and 7.0mm venturi.

Detailed Specs
Displacement: 3.49 cc/ 0.213
Bore: 16.27 mm / 0.641 in
Stroke: 16.8 mm / 0.661 in
Output: 2.55 ps / 2.59 hp @33,000 r.p.m
Practical R.P.M: 4,000~40,000 r.p.m
Weight: 362 g / 12.77 oz.

Recommended Exhaust Pipe
OS 2090

Recommended Glow Plug

BLOK 21aP .21 OS Speed Spec 2 - OIL BATH RUN IN !

SKU: TKR1711 0
£399.00 Regular Price
£369.00Sale Price