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O.S. - OSMG5024 OSM22105020 22105020 531028140226 4531028140226
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O.S. Outer Head Speed 21 V-Spec
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O.S. Outer Head Speed 21 V-Spec
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O.S. Outer Head Speed 21 V-Spec Add to Wish List
238.74  Buy Now 11.24  
O.S. Outer Head Speed 21 V-Spec Add to Wish List
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O.S. Outer Head Speed 21 V-Spec Add to Wish List
590.60  Buy Now 34.35  

Tech Notes
This is the Heatsink Head (cylinder head) for the
O.S. Speed .21 VZ-B V-SPEC engine, #13893.


Magnesium construction
Black powder coat
Twelve cooling fins


One heatsink head (outer head)


P3 ultra hot turbo plug (OSMG2699)
Inner head (OSMG5012)


Height: 1.83" (46.5mm)
Width: 2.30" (58.3mm)


Cylinder head bolts are not included. If head bolts are needed,
order OSMG8670

JAW 6/28/07
updt jxs 09/07/10

– If you need more information, use these O.S. resources –
Email: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970
  Postal Address:

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Parts Compatibility
Parts Compatibility for O.S. Outer Head Speed 21 V-Spec
This item is a replacement part for the following:
 LXPNM7 O.S. OS Speed 21VZ-B V-Spec Engine w/ 21H Slide Carb  (Parts List)

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