{"product_id":"acl-acura-b17a1-b18a1-b18b1-b18c1-b18c5-vtec-honda-k20a3-k20a2-k24a-standard-size-high-performance-w-extra-oil-clearance-5m1959hx-std","title":"ACL Acura B17A1\/B18A1\/B18B1 \/ B18C1\/B18C5 VTEC \/ Honda K20A3\/K20A2\/K24A Standard Size High Performance w\/ Extra Oil Clearance Main Bearing Set | 5M1959HX-STD","description":"\u003cp\u003eThis ACL High Performance main bearing set is sized for a standard, unmachined crankshaft main journal on the Acura B17A1\/B18A1\/B18B1\/B18C1\/B18C5 VTEC and Honda K20A3\/K20A2\/K24A engine family, built with extra oil clearance for engines running higher oil volume\/pressure or looser bearing clearances (common in turbocharged or high-RPM builds). Per ACL's own fitment data this bearing size is shared across the Acura Integra, RSX, and TSX, and the Honda Accord, Civic Si, CR-V, and Element.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: Main Bearing Set\u003c\/li\u003e\n\u003cli\u003eSeries: High Performance\u003c\/li\u003e\n\u003cli\u003eSize: Standard, Extra Oil Clearance\u003c\/li\u003e\n\u003cli\u003eEngine Fitment: Acura B17A1\/B18A1\/B18B1\/B18C1\/B18C5 VTEC \/ Honda K20A3\/K20A2\/K24A\u003c\/li\u003e\n\u003cli\u003ePart Number: 5M1959HX-STD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat does \"Extra Oil Clearance\" mean?\u003c\/h5\u003e\u003cp\u003eExtra oil clearance bearings run a slightly looser clearance than standard, which some high-RPM, high-oil-volume, or turbocharged\/nitrous applications prefer for additional oil flow and thermal margin. Use standard clearance unless your engine builder specifies extra clearance.\u003c\/p\u003e\u003ch5\u003eWhat engines does this main bearing set fit?\u003c\/h5\u003e\u003cp\u003eIt's sized for the Acura B-series (B17A1, B18A1, B18B1, B18C1, B18C5 VTEC) and Honda\/Acura K-series (K20A3, K20A2, K24A) engine family, as used in the Acura Integra, RSX, TSX and Honda Accord, Civic Si, CR-V, and Element.\u003c\/p\u003e\u003ch5\u003eDo I need rod bearings too?\u003c\/h5\u003e\u003cp\u003eYes, this listing is for main bearings only. Rod bearings for this engine family are sold separately.\u003c\/p\u003e\u003ch5\u003eIs this a Standard size or an oversize bearing?\u003c\/h5\u003e\u003cp\u003eThis is Standard size — sized for a stock, non-machined main journal — with extra oil clearance built in.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does \\\"Extra Oil Clearance\\\" mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Extra oil clearance bearings run a slightly looser clearance than standard, which some high-RPM, high-oil-volume, or turbocharged\/nitrous applications prefer for additional oil flow and thermal margin. Use standard clearance unless your engine builder specifies extra clearance.\"}},{\"@type\":\"Question\",\"name\":\"What engines does this main bearing set fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's sized for the Acura B-series (B17A1, B18A1, B18B1, B18C1, B18C5 VTEC) and Honda\/Acura K-series (K20A3, K20A2, K24A) engine family, as used in the Acura Integra, RSX, TSX and Honda Accord, Civic Si, CR-V, and Element.\"}},{\"@type\":\"Question\",\"name\":\"Do I need rod bearings too?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this listing is for main bearings only. Rod bearings for this engine family are sold separately.\"}},{\"@type\":\"Question\",\"name\":\"Is this a Standard size or an oversize bearing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is Standard size — sized for a stock, non-machined main journal — with extra oil clearance built in.\"}}]}\u003c\/script\u003e","brand":"ACL","offers":[{"title":"Default Title","offer_id":41269902344240,"sku":"ACL5M1959HX-STD","price":111.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/40122eef7c72ad8aedbf813a6911e74f_bec911a9-c446-4b36-ba3a-6d045497403e.png?v=1712293616","url":"https:\/\/berryperformancesales.com\/products\/acl-acura-b17a1-b18a1-b18b1-b18c1-b18c5-vtec-honda-k20a3-k20a2-k24a-standard-size-high-performance-w-extra-oil-clearance-5m1959hx-std","provider":"Berry Performance Sales","version":"1.0","type":"link"}