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Xtreme Energy 224/230 Hydraulic Roller Cam
Strong mid-range performance, street machines with 3.55+ gears, 2200+ converter.
Fits Ford Small Block Engines originally equipped with “Old” firing order and 351 Windsor engines with the “Windsor” firing order

Xtreme Energy 242/248 Solid Roller Cam for Ford 351W. Best in street machines with a 2800+ stall, 10:1+ compression and 3.73-3.90 rear Gears.
Best in street machines with 2800+ stall, 10:1+ compression with 3.73-3.90 rear gears.
Fits Ford Small Block Engines originally equipped with “Old” firing order and 351 Windsor engines with the “Windsor” firing order

Xtreme Energy 230/236 Hydraulic Roller Cam
Great for street machines, needs intake, headers, 2500+ converter and 3.73+ gears, rough idle.
Fits Ford Small Block Engines originally equipped with “Old” firing order and 351 Windsor engines with the “Windsor” firing order

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 aftermarket intake and exhaust with low gears.
Fits Ford Small Block Engines originally equipped with “Old” firing order and 351 Windsor engines with the “Windsor” firing order

Xtreme Energy 236/240 Hydraulic Roller Cam
Street/strip, 9:1+ compression, intake, headers, 2800+ converter and 3.73+ gears, rough idle.
Fits Ford Small Block Engines originally equipped with “Old” firing order and 351 Windsor engines with the “Windsor” firing order

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 intake and exhaust, 11:1+ compression and 3500 stall.
Fits Ford Small Block Engines originally equipped with “Old” firing order and 351 Windsor engines with the “Windsor” firing order

Xtreme Energy 242/248 Hydraulic Roller Cam
Street/strip, 9.5:1 compression, intake, headers, 3000+ converter, 4.10+ gears, rough idle.
Fits Ford Small Block Engines originally equipped with “Old” firing order and 351 Windsor engines with the “Windsor” firing order

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 applications.

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 displacement and cylinder head design)

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 displacement and cylinder head design)

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 displacement and cylinder head design)

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 Engines (Grinds are specific to displacement and cylinder head design)