BBK under drive pulley kits are vehicle specific and each kit comes with complete installation instructions and allow the re-use of existing serpentine belts
1968-1980 Pontiac LeMans
For Air Lift 1000 kits used in front applications
No calibration is needed
Oldsmobile: Delta 88 78 - 85
COMP Cams Ford 5.0L Extreme Hydraulic Roller Cam XE274HR-12 Vacuum Gauge BBK under drive pulley kitsHydraulic Roller Xtreme Energy Computer Controlled: 2500+ stall, 3. 55 3. 73 gears, better heads, intake and fuel system. 2500+ stall, 3. 55 3. 73 gears, better heads, intake and fuel system. CamShaft, FW XE274HR 12 Hydraulic Roller Xtreme Energy Computer Controlled: 2500+ stall, 3. 55 3. 73 gears, better heads, intake and fuel system.; 274 282 Advertised Duration, 224 232 Duration . 050", . 555" . 565" Lift, 112 Lobe Separation; Valve spring upgrade