Home / Engine & Performance / Manley Valve Spring NISSAN SR20DE/SR20DET “Haltech Turbosmart GenV eWG50 Progate 50” has been added to your cart. View cart Manley Valve Spring NISSAN SR20DE/SR20DET€ 174,82 Manley Valve Spring NISSAN SR20DE/SR20DET quantity Add to cart SKU: 22165-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit Bolts & StudsEngine & Performance ARP cabinet with SS hex accessory bolts Bolts & StudsEngine & Performance ARP cabinet with black 12pt accessory bolts