ACL - Race Main Bearing Set for Nissan 240sx S13/S14 SR20DET

ACL race main bearings are manufactured with a tri-layer metal 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 main bearings to optimize bearing load carrying capacity and oil flow to rod bearings
*Incresed crush and tighter wall tolerance for better seating
*Improved overlay and reduced thickness for increased fatigue strength
*Hardened steel backing to maintain crush under high loads and temperatures Price is for One complete set of main bearings.