Clutches

Spring data:
Seat pressure - 60lbs @ 36.60mm, exhaust - 80lbs @ 33.20mm
Spring coil bind: intake - 23.00mm, exhaust - 19.50mm
Max lift: intake - 13.60mm, exhaust - 13.70mm
Rate: intake - 6.70lbs/mm, exhaust - 10.00lbs/mm
Intake single spring:
Outer diameter - 20.60mm
Inner diameter - 14.40mm
Exhaust double spring:
Outer spring outer diameter - 29.10mm
Outer spring inner diameter - 21.90mm
Inner spring outer diameter - 20.50mm
Inner spring inner diameter - 15.50mm

Set includes:
Intake springs - 18 pcs. SPR-A2095
Exhaust springs - 12 pcs. SPR-H1002D-AU
Titanium retainers: 18 pcs. intake RET-AU5VI-T2, 12pcs. exhaust RET-AU5VE-T1
Seats - 12 pcs. exhaust SEAT-H1000

Product detailed specification
Model number	AEVI-1206S
Head diameter	30.90mm
Stem diameter	5.94mm
Length	94.80mm
Material	Inconel
Fits for	Audi A8, S4, RS6 (2003-2008) - 4.2 40V V8

Ferrea Competition Plus Valves have built a reputation as the industry's most reliable extreme duty valve. To manufacture the valves we use special aerospace quality alloys, including the EV8-Z18, which provides high tensile strength. An exclusive two-step slow forging process ensures proper grain flow and virtually eliminates any damage to thematerial structure. The valves are then heat-treated and stress-relieved over a 48-hour period, which is the crucial base of our molecular integrity. These valves feature avionics-quality hard chrome along with a specially applied hard tip.

Ferrea Competition Plus Valves have built a reputation as the industry's most reliable extreme duty valve. To manufacture the valves we use special aerospace quality alloys, including the EV8-Z18, which provides high tensile strength. An exclusive two-step slow forging process ensures proper grain flow and virtually eliminates any damage to thematerial structure. The valves are then heat-treated and stress-relieved over a 48-hour period, which is the crucial base of our molecular integrity. These valves feature avionics-quality hard chrome along with a specially applied hard tip.

ARP is a manufacturer of fasteners/bolts found in engines and drivelines, ranging from OEM replacement parts to specialty hardware for racing applications. ARP is the world leader in fastener technology.

Part number 14-32125-02
Victor Reinz cylinder head bolt kit
Audi S4 RS4 2.7 Biturbo

Part number 61-31350-00
Victor Reinz MLS cylinder head gasket set
Audi A4, A6, S4, Allroad - 2.4 2.7T V6

Part number: FCPP825085RS4
Manufacturer: FCP Engineering
Forged high performance pistons for various applications in nearly all engine types for racing and street use.
Made of 4032-T6, piston skirt is molibden coated.
Each set of pistons also includes rings and HD series pins.
Bore size: 82.50mm
Compression ratio (CR): 8.5:1
Compression height: 30.80 mm
Pin diameter: 21mm
Stroke: 86.40mm
Audi S4 RS4 - 2.7 30V Biturbo

Part number: FCPP830085RS4
Manufacturer: FCP Engineering
Forged high performance pistons for various applications in nearly all engine types for racing and street use.
Made of 4032-T6, piston skirt is molibden coated.
Each set of pistons also includes rings and HD series pins.
Bore size: 83.00mm
Compression ratio (CR): 8.5:1
Compression height: 30.80 mm
Pin diameter: 21mm
Stroke: 86.40mm
Audi S4 RS4 - 2.7 30V Biturbo