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The 4-pin design prevents the valve timing and oil pump chains from spinning independently
It includes precision-machined washers and nuts
1987-1989 E24 M6 [North America]
Featuring carefully selected products from the Powerflex range to maximize the performance of the suspension
and other S58 applications
BMW N63 Valve Spring Kit by Ferrea 05-76-2-117-616 The 4-pin design prevents theThe Ferrea Valve Spring Kit for BMW N63 engines is engineered for superior durability and performance under extreme conditions. This kit replaces BMW part numbers 11340039494, 11340054492, 11347578825, 11347572451, 11347504271, 11347614134, and 11340150843. Factory valve springs can struggle to meet the demands of high boost, aggressive cam profiles, and sustained high RPM, leading to valve float and potential engine failure. Ferrea valve springs are
US$ 5695.00
US$ 15.00
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US$ 99.00
