ACL Race Main Bearings for B16 B17 B18 K20 K24 Honda GSC Intake Valve Specs: Stem Diameter

Intake Valve Specs: Stem Diameter O / A Length Tip Length Underhead Angle Radius Margin Seat Width Top of Head 5

000 HP flow capabilities with a bolt-on ease of installation

(1) M6 Button head socket cap screw

These bolts used to be black and were prone to rust

For 1G 90-94 DSM or 2G 95-99/Evo I-III

ACL Race Main Bearings for B16 B17 B18 K20 K24 Honda GSC Intake Valve Specs: Stem DiameterACL tri metal Race Series crankshaft main bearings for B16A, B17A1, B18A1, B18B1, B18B2, B18C, B20B, B20Z, K20A2, K20A3, K20Z1, K24A, K24Z1 Honda and Acura models. Includes a full set of 10 bearing halves as pictured. Standard, oversized and extra clearance options are available. 5M1959H STD is pictured for reference. Vehicle Fitment: B16A B17A1 B18A1, B18B1, B18B2, B18C B20B, B20Z K20A2, K20A3, K20Z1 K24A, K24Z1 Purchase Includes: Set of 10 main