Xtreme Energy 230/236 Hydraulic Roller Cam Great for street machines, needs intake, headers, 2500+ converter and 3.73+ gears, rough idle. Superseded to 35-495-9 Fits Ford Small Block Engines...

Xtreme Energy 248/254 Solid Roller Cam for Ford 351W. Good in weekend warriors with 3000+ stall. Needs aftermarket intake and exhaust with low Gears. Good in weekend warrior with 3000+ stall. Needs...

Xtreme Energy 236/240 Hydraulic Roller Cam Street/strip, 9:1+ compression, intake, headers, 2800+ converter and 3.73+ gears, rough idle. Superseded to 35-496-9 Fits Ford Small Block Engines...

Xtreme Energy 254/260 Solid Roller Cam for Ford 351W. Best for Pro Street applications. Needs aftermarket intake and exhaust, 11:1+ compression and 3500 stall. Best for Pro Street. Needs aftermarket...

Xtreme Energy 242/248 Hydraulic Roller Cam Street/strip, 9.5:1 compression, intake, headers, 3000+ converter, 4.10+ gears, rough idle. Superseded to 35-497-9 Fits Ford Small Block Engines originally...

Mechanical Roller-Optimized horsepower for heavily modified, street/strip, non-towing, high RPM Applications. Optimized horsepower for heavily modified, street/strip, non-towing, high RPM...

Optimized fuel mileage with good torque and horsepower. Needs programmer. Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to...

Exceptional torque with good hp and moderate fuel economy. Needs programmer. Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to...

Optimized hp with good torque and average fuel economy. Programmer required. Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to...

4.8L/5.3L Chevrolet/GMC truck. Significant gains in mid and upper RPM range. Works best with programmer. Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck...

XFI XTREME Truck 208/212 Hydraulic Roller Cam 6.0L Chevrolet/GMC truck. Significant gains in mid and upper RPM range. Works best with programmer. Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2,...

5.3L/6.0L Chevrolet/GMC truck. Significant gains in mid and upper RPM range. Exhaust upgrade needed for best performance. Needs programmer. Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3,...