Physical Specifications
Custom Brodix GB2300 Castings
Intake runner volume     309cc
Combustion chamber volume     49cc
13.5 deg. Valve angle
75/125 Valve spacing
Intake Valve    2.200 dia. x 6.200 length
    Serdi #     HP 2353-B1 (45 deg. seat) 
Exhaust Valve     1.580 dia. x 6.200 length
    Serdi #     B1X1-A1 (45 deg. seat)
Raised intake runners
5 deg. Intake flange
Spread port exhaust
Intake port opening at gasket     2.05H x 1.575W
Distance from floor to deck at gasket     2.395
Intake min. cross sectional dim.     2.83 sq. in.

Notations
.775 Offset rocker shaft required
.180 Offset lifters required

Jones GB2000's - 309

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