Valve Spring Retainer - Upper - 911 | Boxster | Cayman | 1999-2008 222-320-17-89 A generous flared cuff allows

A generous flared cuff allows for comfortable room for clothing and improves ventilation

Durable Construction: Manufactured from high-quality materials for long-lasting performance and resistance to weather and wear

weatherstrips etc

Porsche Specifically made for the early G50 5 speed '87-'89 transmission our billet aluminum side cover replaces the thin cast cover that is prone to failure

This high-performance system includes the following:

Valve Spring Retainer - Upper - 911 | Boxster | Cayman | 1999-2008 222-320-17-89 A generous flared cuff allowsCylinder Head Valve Spring Retainer Upper For Porsche 996 (1999 2004) 997 (2005 2008), Boxster 987 (2005 2008), Cayman 987 (2006 2008) Models. Precision engineered valve spring retainer designed for Porsche 996, 997, Boxster 987, and Cayman 987 models. This critical cylinder head component maintains proper valve spring tension and alignment, ensuring optimal engine performance and reliability. OEM quality construction withstands high RPM operation and