Thnxs Fred
Torque Capacity with stock disc
Clutch Stock KEP Increase
KEP 930 - '75-77 374 600 60%
KEP 930 - '78-88 423 600 42%
KEP G50 - '87-89 460 600 30%
KEP 944 turbo 378 600 59%
Your stock PP has much better tq. rating than my standard 915 PP.

Porsche 225mm 911 clutch package. Primarily sold as a clutch kit to Kit Car builders complete with installed bearing, ring gear, fasteners and all new genuine German parts. Fits '72 or newer 915 Porsche transaxle. The 360 ft. lb. of torque capacity handles most stock 350 Chevrolet V8 engines.
KEP Porsche 915 HD pressure plate. Holds 477 ft. lbs. of torque with a stock disc. We also offer this in all aluminum for a lighter weight application.
I think i will opt for the hd-alumn.