{"product_id":"acl-honda-4-h22a4-2156cc-standard-size-race-series-rod-bearing-set-1","title":"ACL Honda 4 H22A4 2156cc (Standard Size) Race Series Rod Bearing Set","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e4B1912HXD-STD\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 9315726453384\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003eACL 4B1912HXD-STD Race Series Rod Bearing Set for Honda H22A4 2.156L (Standard Size)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe ACL Race Series Rod Bearing Set stands as the ultimate upgrade for high-performance Honda H22A4 engines, engineered with tri-metal construction and proprietary H-Series flash plating to withstand extreme loads and heat in naturally aspirated or boosted applications up to 500+ HP. This standard-size set (0.025mm clearance) provides superior embeddability and fatigue resistance, ensuring precise crankshaft journal alignment and oil film retention for consistent power delivery without bearing failure.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for the 2.156L H22A4 found in 1993–2001 Prelude VTEC models, these bearings feature increased crush for perfect line-honing and a unique polymer coating for instant lubrication on startup. The set includes 8 upper and 8 lower shells with chamfered edges to prevent scoring, supporting revs over 8,500 RPM while maintaining OEM tolerances for easy drop-in installation.\u003c\/p\u003e\n\u003cp\u003eFor H22A4 builders demanding reliability in drag racing, circuit, or daily street use, the ACL Race Series bearings deliver the precision and durability needed to push the redline without compromise.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTri-metal design with H-Series flash plating for extreme load capacity\u003c\/li\u003e\n\u003cli\u003eStandard size (0.025mm) for OEM-spec clearance\u003c\/li\u003e\n\u003cli\u003ePolymer coating for instant lubrication and reduced wear\u003c\/li\u003e\n\u003cli\u003eIncreased crush for perfect line-honing and stability\u003c\/li\u003e\n\u003cli\u003eChamfered edges prevent scoring during assembly\u003c\/li\u003e\n\u003cli\u003eSupports 500+ HP NA or boosted H22A4 applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRequires professional engine builder for installation\u003c\/li\u003e\n\u003cli\u003eVerify clearances with plastigage during assembly\u003c\/li\u003e\n\u003cli\u003eCompatible with H22A4 only – not for H22A1\/A2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65:\u003c\/strong\u003e Contains chemicals known to the State of California to cause cancer or reproductive harm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Limited lifetime against manufacturing defects to original purchaser.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation required\u003c\/li\u003e\n\u003cli\u003eMeasure clearances with plastigage\u003c\/li\u003e\n\u003cli\u003eTorque to Honda specs in sequence\u003c\/li\u003e\n\u003cli\u003eBreak-in with 20W-50 mineral oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"5\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1993–2001\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003ePrelude\u003c\/td\u003e\n\u003ctd\u003eH22A4 2.156L VTEC I4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: Standard size for stock journals. Use undersize sets for machined cranks.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003eWhat's Included in the Purchase\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e(8) Upper Rod Bearing Shells\u003c\/li\u003e\n\u003cli\u003e(8) Lower Rod Bearing Shells\u003c\/li\u003e\n\u003cli\u003ePart Number: ACL 4B1912HXD-STD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy Choose ACL?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOver 50 years of OEM and racing bearing innovation\u003c\/li\u003e\n\u003cli\u003eEngineered for 500+ HP Honda builds\u003c\/li\u003e\n\u003cli\u003eTrusted in NHRA and Formula Drift\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is this for stock or built engines?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Both – ideal for high-RPM NA or mild boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What oil clearance?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e 0.0015–0.0025 inches standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Compatible with aftermarket rods?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, fits OEM and Eagle rods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS or Fed Ex Ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Typically ships same day or next if in stock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective retail box.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACL","offers":[{"title":"Default Title","offer_id":43844091281487,"sku":"ACL4B1912HXD-STD","price":94.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/acl-4b1912hxd-bearings_01.jpg?v=1764173404","url":"https:\/\/www.blackopsautoworks.com\/products\/acl-honda-4-h22a4-2156cc-standard-size-race-series-rod-bearing-set-1","provider":"Black Ops Auto Works","version":"1.0","type":"link"}