RB Crank Collar – Extend Oil Pump Life & Improve Performance Upgrade your RB engine with this RB crank collar, designed to extend the contact drive surface for the oil pump gears, improving longevity and reliability over the stock drive mechanism. ✅ Increased Oil Pump Life – Extends the servicing life of your oil pump, ensuring consistent oil pressure and engine protection✅ Interference Fit – Requires machine work on the crankshaft for proper fitment✅ Fits All RB Engines – Compatible with RB20, RB25, RB26, RB30 and all other RB engine variants✅ Enhanced Durability – A must-have for those looking to boost engine reliability during high-performance and motorsport applications Features & Benefits: 🔹 Extended Oil Pump Drive Surface – Designed to extend the oil pump's service life by reducing wear on the drive mechanism🔹 Precision Interference Fit – Requires crankshaft machining for a perfect fit, ensuring secure and precise installation🔹 Fits All RB Engines – This collar is suitable for all RB engines, including the RB20, RB25, RB26, and RB30 🛠 Essential for high-performance engines, race builds, and longevity-focused upgrades! 🛒 Order Now and Extend the Life of Your Oil Pump with the RB Crank Collar!