Supertech Valve Spring and Titanium Retainer Kit for 2003-2008 Audi S4 4.2L 40v V8 Engines
ipg-supertech.com

Supertech Valve Spring and Titanium Retainer Kit for 2003-2008 Audi S4 4.2L 40v V8 Engines

$1,059.99
{{option.name}}: {{selected_options[option.position]}}
{{value_obj.value}}
Store Logo

IPG-Supertech.com

View Store

Supertech Valve Spring and Titanium Retainer Kit for 2003-2008 Audi S4 4.2L 40v V8 EnginesSet of 24 Single Valve Springs, 16 Dual Valve Springs, 40 Titanium Retainers and 16 SeatsSPRK-AUDI40-V8Type: Intake Single SpringOuter Spring: OD 20.60mm - ID 14.40mmInner Spring: NonePress.Seat Intake: 56lbs @ 36.60mmMax Lift Intake: 13.60mmCoil Bind: 23.00mmRate: 6.70mmRetainer: RET-AU5VI/T2 (24)Spring: SPR-A2095 (24)Type: Exhaust Dual SpringOuter Spring: OD 29.10mm - ID 21.90mmInner Spring: OD 20.50mm - 15.50mmPress.Seat Exhaust: 75lbs @ 33.70mmMax Lift Exhaust: 14.20mmCoil Bind: 19.50mmRate: 10.00mmRetainer: RET-AU5VE/T4 (16)Spring: SPR-H1002D/AU (16)Seat: SEAT-H1000 (16)Our valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utilize computer software that allows us to ensure that the harmonics are under control. All Supertech valve springs are made with premium super clean Chrome Silicon Vanadiu

Show More Show Less