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The Dart 21311880-8 Dart Severe-Duty Stainless Steel Valves is a valve designed for automotive performance applications where component quality directly affects vehicle reliability
and Extreme — using the included handlebar-mounted remote
secure the module
Includes heavy-duty polyurethane bushings designed for maintenance-free longevity
Product 88066 is verified for correct specifications and dimensional accuracy before shipment
COMP Cams 4018 COMP Cams Stud Girdles Air Conditioning The Dart 21311880-8 Dart Severe-DutyThe COMP Cams 4018 COMP Cams Stud Girdles are precision machined rocker arm stud girdles designed to eliminate valvetrain flex at high RPM. As valve spring pressures increase and cam profiles become more aggressive, the rocker arm studs can flex under load, introducing valvetrain instability. Stud girdles tie the rocker studs together, creating a rigid structure that maintains rocker arm geometry. CNC machined from 6061 T6 billet aluminum, these
