ACL Race Series Main Bearings Nissan 4 1998cc SR20DET GTiR Size: .025 Custom Seats Does the burnt tip require

Does the burnt tip require any prep or care before installation

You'll need to confirm your existing downpipe diameter matches the header outlet — measure before ordering if your system has been modified

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How do I know which side I'm ordering — driver or passenger

ACL Race Series Main Bearings Nissan 4 1998cc SR20DET GTiR Size: .025 Custom Seats Does the burnt tip requireACL 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