Castings
Excellence     Performance    Precision
INTAKE PORT VOLUME                                                                               150CC
EXHAUST PORTS                                                                                           66CC
COMBUSTION CHAMBER VOLUME     (WITH (2) 12MM. SPARK PLUGS)      85CC
INTAKE VALVE                                                                                52MM.    2.050
EXHAUST VALVE                                                                          42.5MM.   1.675
INTAKE PORT OPENING                                                                42.5MM.  1.675
EXHAUST OPENING                 (SEMI “D” PORT)                           42.5MM.  1.675
         
BASE:   
      HEADS CNC MACHINED COMPLETE                                                                 
             STAINLESS INTAKE VAVE                                                                           
                  STAINLESS FERREA SUPER ALLOY EXH VALVE                                  
                       STEEL VALVE SEAT INSERTS                                                          
                           BRONZE VALVE GUIDES                                                                
                                 XTREME TITANIUM RETAINERS                                         
ELGIN RACING VALVE SPRING
INTAKE / EXHAUST/ CAM TOWER/ FACTORY V BOLT PATTERN
3.0 COMPETITION SERIES
2.5 COMPETITION SERIES

INTAKE PORT VOLUME                                                                               136CC
EXHAUST PORTS                                                                                           64CC
COMBUSTION CHAMBER VOLUME     (WITH (2) 12MM. SPARK PLUGS)      65CC
INTAKE VALVE                                                                                    47MM.1.850
EXHAUST VALVE                                                                                40MM.1.575
INTAKE PORT OPENING                                                                     41MM 1.675
EXHAUST OPENING                 (SEMI “D” PORT)                             38.5MM.1.675
       
INTAKE / EXHAUST/ CAM TOWER/ FACTORY V BOLT PATTERN
BASE:   
                HEADS CNC MACHINED COMPLETE                                                      
                    STAINLESS INTAKE VAVE                                                                   
                      STAINLESS FERREA SUPER ALLOY EXH VALVE                             
                        STEEL VALVE SEAT INSERTS                                                        
                           BRONZE VALVE GUIDES                                                               
                           XTREME TITANIUM RETAINERS                                         
ELGIN RACING VALVE SPRING
OPTIONS
HAND BLEND INTAKE/EXHAUST PORTS
DEL WEST TITANIUM VALVES
COPPER VALVE SEATS
IMAGES