| Jones 290cc Brodix FF 13 - 4.500 Bore Spacing |
Custom Brodix FF 13 STD CNC Casting
Intake Runner Volume: 290cc
Combustion Chamber Volume: 49cc
13° Valve Angle
88/184 Valve Spacing
Intake Valve: 2.200 dia. x .700 long (45°)
Exhaust Valve: 1.600 dia. x .700 long (45°)
5 deg. Intake Flange
Intake port opening at gasket: 2.23H x 1.4W
Distance from floor to deck at gasket: 1.675
Intake min. cross-sectional dim.: 2.7 sq.in.
Notations:
Offset rocker shafts required
Offset lifters required
Combustion chamber machined for 4.250 bore
| LIFT | INTAKE | EXHAUST | |
| .200 | 159 | 114 | |
| .300 | 238 | 155 | |
| .400 | 304 | 194 | |
| .500 | 356 | 237 | |
| .600 | 377 | 253 | |
| .700 | 386 | 260 | |
| .800 | 389 | 265 | |
| Flow #'s by Weld Tech - CFM @ 28" | |||
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| WELD TECH 1789 South Green Street Brownsburg, IN 46112 (317) 852-4450 Fax: (317) 852-5291 |