ACL Race Series Main Bearings Nissan 4 CA18/CA20 Race Series Size: 0.5 SPC Performance The integration of Darton Mid

The integration of Darton Mid Sleeves significantly enhances the engine's capacity to support higher horsepower

Drain the cooling system completely before removing the old radiator

Intelligent F1 Function: Features a built-in delay under traffic navigation conditions

Zero fitment prep - Factory mounting points align with existing brackets and hoses on your vehicle

ACL Race Series Main Bearings Nissan 4 CA18/CA20 Race Series Size: 0.5 SPC Performance The integration of Darton MidACL Performance Race Bearings are manufactured with a tri layer metal with a hardened steel backing in order to withstand high RPM conditions, high stress loads, and high temperatures. Each ACL race bearing design features the following: Large chamfer to accomodate larger crankshaft fillets 3 4 groove to provide optimum oil supply to rods and to maximize load carrying capacity Incresed crush and tighter wall tolerance for better seating Improved