Skunk2 Ultra Stage 1 Cams for L15B7 are designed as a ‘drop-in’ cam and make +15-20 hp and +20-30 lb-ft of torque from idle to 4200rpm, and +10hp and +10 lb-ft of torque from 4200rpm to redline. This cam is the an excellent street cam for drivers that want the greatest torque gains in the low to mid rpm ranges and moderate gains in the higher rpm range.
*Note: Powerband optimized for CVT equipped vehicles. Power and Torque figures tested on stock L15 engine, and stock turbo with 22psi boost. Actual gains may vary.
Skunk2 Ultra Stage 2 Camshafts for the L15B7 are designed as a street/strip cam that begins to make power after 3500rpm. Torque steadily increases from 3500rpm to a maximum gain of +30lb-ft at 4800rpm, and then holds +20lb-ft gain all the way to redline. Horsepower reaches a peak gain of +30hp from 5600rpm to redline. Stage2 cams require high-lift valve springs.
*Power and Torque figures tested on stock L15 engine, and stock turbo with 22psi boost. Actual gains may.
**Must replace OEM valve spring with high lift valve spring.