Detailed product specifications Manufacturer: FCP Engineering Model: FCPRHA153V822-8 Profile: K-beam Center to center: 153 mm Piston diameter: 22 mm Quantity: 8 pcs, 16 pcs. ARP2000 3/8" screws Made of: forged steel 4340 EN24er Declared power: 1000 HP (8) cylinders) Declared revolutions: 9000RPM Fits to: Audi S6 C7, RS6 C7, S7, RS7, A8 D4, A8 D5, S8 D4 - 4.0 V8 TFSI Bentley Continental V8, Flying Spur V8