Physical Specifications GM 12480011 (SB2.2) Castings Intake runner volume     287cc Combustion chamber volume     56cc Intake valve angle 11 deg. x 4 deg. Intake Valve     2.170 dia. x 5.675 length     Serdi #     - Exhaust valve angle 8 deg. Exhaust Valve     1.600 dia. x 5.675 length     Serdi #     - Intake port opening at gasket     2.11H x 1.46W Distance from floor to deck at gasket     2.015 Intake min. cross sectional dim.     2.85 sq. in. Notations Pushrods are clearanced for the most commonly used rocker systems. Click for larger version of graph

 

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WELD TECH 1789 South Green Street Brownsburg, IN 46112 (317) 852-4450 Fax: (317) 852-5291