Clutches

Spring data:
Seat pressure [email protected]
Max lift. 14.00mm
Rate 10.00lbs/mm
Spring coil bind 19.50mm
Outer spring outer diameter: 29.05mm
Outer spring inner diameter: 21.85mm
Inner spring outer diameter: 20.50mm
Inner spring inner diameter: 15.50mm

Set includes:
Dual springs: 16 pcs. SPR-H1002D
Titanium retainers: 16 pcs. RET-K20A2/T2
Seat locator: OEM seats or SEAT-H1002D (sold separately)

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.

Diameter: 240mm
Manufacturer compare numbers:
Audi
034 141 117 G
059 141 117 E
078 141 117 A
078 141 117 C
078 141 117 F
078 141 117 J
078 141 117 M
078 141 117 N
078 141 123
078 141 123 D
078 141 123 E
VW
034 141 117 G
059 141 117 E
078 141 117 A
078 141 117 C
078 141 117 F
078 141 117 J
078 141 117 M
078 141 117 N
078 141 123
078 141 123 D
078 141 123 E
Compared to volume production pressure plates, SACHS Performance pressure plates have a higher transmittable torque and are less sensitive to thrust loading. Depending on the requirements, they are used with different discs. Higher pedal forces might occur.

 JE's patented Perfect Skirt coating makes piston slap, false knock, and cold-start wear a thing of the past.
For the first time ever, 2618-alloy pistons can be installed with piston-to-wall clearances near that of an OEM piston!

Manufacturer: ACL Bearing Company
Part number: 4B1490H-0.25
For BMW - 1.6 1.8 1.9 (M40, M42, M43, M44)