Stage 1

Designed to make power up to 6000 RPM, this cam will work well with stock shift points. No valvetrain modifications are required to safely run this cam but 90lb springs are recommended.

• Duration @ 0.050" is 206 °/206 °.
• Lift is 0.512"/0.512" with 1.6 rockers.
• Lobe separation is 112 degrees.

Stage 2

130lb valve springs, modified retainers, and Rollmaster double row timing chain are highly recommended.

• Duration @ 0.050" is 224 °/218 °.
• Lift is 0.536"/0.528" with 1.6 rockers.
• Lobe separation is 116 degrees

Stage 3

130lb valve springs, modified retainers, and Rollmaster double row timing chain are highly recommended.

• Duration @ 0.050" is 230 °/224 °.
• Lift is 0.544"/0.536" with 1.6 rockers.
• Lobe separation is 117 degrees.

Vehicle Fitment Guide

Parts Guide

Notes:

• The image is for illustrative purposes only.
• We cannot supply a MEMCAL tune to suit any turbo cams for Ecotec 3.8L or L67 3.8L V6 engines. You will require a custom dyno tune from a reputable workshop.
• This camshaft is suitable for L67 engine installed with an aftermarket turbocharger instead of a stock supercharger.