Crower 66286H-12 Features:

12-piece severe-duty mechanical roller lifter set for Buick V6 engines Features Crower HIPPO high-pressure pin oiling with EDM oil feed to the needle bearings CNC-machined, heat-treated 1-piece body delivers reduced weight, rigidity, and axle trueness Crowned bearings and crowned outer race help reduce lobe tracking wear under high valvetrain loads

Roller Lifters Buick V6 With Hippo Oiling 12-PIECE Set Features:

• 12-piece severe-duty mechanical roller lifter set for Buick V6 performance valvetrains with HIPPO pin oiling for high-load durability
• Precision EDM oil feed from oil band to needle bearings for continuous high-pressure lubrication and improved bearing cycle life
• CNC-machined heat-treated one-piece body for reduced weight extreme rigidity and consistent axle trueness under aggressive cam loads
• Crowned bearings and crowned outer race to reduce lobe tracking wear while increasing valvetrain stability at high spring pressure
• Orbit-formed captive blade retention with fully rebuildable design for long-term racing service and extended pushrod spring life