Physical Specifications Mopar W-9 Castings Intake runner volume     274cc Combustion chamber volume     60cc 15 deg. Valve angle Intake Valve     2.180 dia. x 5.640 length     Serdi #     025205 (50 deg. seat) Exhaust Valve     1.625 dia. x 5.540 length     Serdi #     025206 (55 deg. seat) Intake port opening at gasket     2.14H x 1.4W Distance from floor to deck at gasket     1.5 Intake min. cross sectional dim.     2.76 sq. in. Notations .575 Offset rocker shafts required .180 Offset lifters required for V8 Midget applications: Offset lifters not required Intake gasket     Exhaust gasket     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