997 - 991.1 GT3 Cup 4.3 Liter Engine Titanium Connecting Rod New Porsche 911 This engine with a modified throttle valve has a powerof approx. 550 hp / 405 kW
Porsche 964 - 993 Carrera 4.1 liter conversion kit with crankshaft, special connecting rod, 104 mm piston and cylinder with 11.8:1 compression, naturally aspirated engine. An upgrade for the Porsche 964 - 993 3.6 - 3.8 liter engine. Spindle mounting required.
935 K3 / 80 complete kit in GRP for Porsche 911A carbon fiber kit is also feasible. The costsHowever, they are then significantly higher because the material price is much higher.more expensive.