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In brief
Part number FCPVSTRATSI/32 FCP Egineering high performance nickel plated valve single spring and titanium retainer kit Audi S6 / RS6 C7, S8 D4, RS7 - 4.0 V8 TFSI
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Spring data:
Seat pressure - 70lbs @ 38.40mm (intake), 82lbs @ 37.00mm (exhaust)
Open (lift) pressure - 172lbs @ 10mm (intake), 180lbs @ 10mm (exhaust)
Max lift - 11.90mm (intake), 10.60mm (exhaust)
Spring coil bind - 24.90mm
Rate - 10.20lbs/mm
Spring outer diameter - 24.00mm
Spring inner diameter - 16.50mm
Set includes:
Single springs - 32 pcs.
Titanium retainers - 32pcs.
Seat pressure - 70lbs @ 38.40mm (intake), 82lbs @ 37.00mm (exhaust)
Open (lift) pressure - 172lbs @ 10mm (intake), 180lbs @ 10mm (exhaust)
Max lift - 11.90mm (intake), 10.60mm (exhaust)
Spring coil bind - 24.90mm
Rate - 10.20lbs/mm
Spring outer diameter - 24.00mm
Spring inner diameter - 16.50mm
Set includes:
Single springs - 32 pcs.
Titanium retainers - 32pcs.
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