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AUDI 4.2 40V V8 SUPERTECH VALVE SPRING SET SPRK-AUDI4.2T

 900,82 Tax excl.

Part number SPRK-AUDI4.2T
Supertech valve spring kit
Audi A8, S4, RS6 (2003-2008) – 4.2 40V V8

Spring data:
Seat pressure: intake – 56lbs @ 36.60mm, exhaust – 75lbs @ 33.70mm
Spring coil bind: intake – 23.00mm, exhaust – 19.50mm
Max lift: intake – 13.60mm, exhaust – 14.20mm
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 – 24 pcs. SPR-A2095
Exhaust springs – 16 pcs. SPR-H1002D-AU
Titanium retainers: 24 pcs. intake RET-AU5VI-T2, 16 pcs. exhaust RET-AU5VE-T4
Seats – 16 pcs. exhaust SEAT-H1000

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