EMPI GT-3 Performance Camshaft for Air-Cooled VW, 291 Degree Duration

The GT-3 is a high range profile for large displacement engines that spend their time on the hot street, at the strip or in off-road competition. Like the rest of the GT Series it starts as a new chilled cast iron billet and is Parkerized so the lobes survive break-in without trouble.

Technical Details

• Valve lift: .430 in. at 1.1:1 rocker ratio
• Cam lift: .391 in.
• Duration: 291 degrees
• Material: chilled cast iron billet, Parkerized, stroker clearanced
• Comparable to: Engle W120
• Included: grade 8 hardware, assembly lube and cam card

Fitment & Compatibility

For large displacement air-cooled VW engines in hot street, strip and off-road competition use. A cam of this duration expects supporting heads, carburetion and exhaust, so review the spec card against your combination, and fit new EMPI lifters, part number 21-4300-0. PMB Performance can help confirm this against your build. We have handled air-cooled Volkswagen and Porsche parts for more than 20 years.

GT-3 77-2106-0 spec card (PDF)

Specifications