Valvetrain Pistons and Conrods Intake and EFI by Competition Systems Intake systems, throttle bodies and efi hardware from Jenvey Dynamics and Pipercross filters. Throttle Body Kits Classic Throttle Kits Turbo Plenums and Intakes TD Heritage DCOE Twin body TB Throttle Bodies DCOE Style 118mm Long TH Throttle Bodies DCOE Style 91mm Long TS Throttle Bodies DCOE Style 30mm Long TA Throttle Bodies IDA style TF Throttle Bodies IDF style TC Throttle Bodies DCNF style SFG Large Single Throttle Bodies Fuel System Throttle Position Linkages Air Filters Air Horns Idle Control SF Individual Throttle Bodies SFD Large Individual Throttle Body Heritage Throttle Body Kits TDF Heritage IDF style Throttle Bodies