Castings
Excellence     Performance    Precision
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