{"product_id":"acl-chevrolet-v8-305-350-400-race-series-standard-extra-oil-clearance-8b663hx-std","title":"ACL Chevrolet V8 305-350-400 Race Series Standard Size w\/ Extra Oil Clearance Rod Bearing Set | 8B663HX-STD","description":"\u003cp\u003eThis ACL Race Series connecting rod bearing set uses the Standard size fit for a factory, unmachined crankshaft, machined with additional running clearance for Chevrolet small-block V8 305, 350, and 400 engines. The \"X\" extra-clearance spec is typically used in higher-RPM or higher-oil-volume racing builds where added running clearance is wanted.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: Rod Bearing Set\u003c\/li\u003e\n\u003cli\u003eSeries: Race Series\u003c\/li\u003e\n\u003cli\u003eSize: Standard, with Extra Oil Clearance\u003c\/li\u003e\n\u003cli\u003eEngine Fitment: Chevrolet small-block V8 305 \/ 350 \/ 400\u003c\/li\u003e\n\u003cli\u003ePart Number: 8B663HX-STD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat does the extra oil clearance spec mean?\u003c\/h5\u003e\u003cp\u003eIt means the bearing is machined with additional running clearance beyond the standard spec, which is often used in higher-RPM or higher-oil-volume racing applications. It still uses the Standard size fit for a factory, unmachined crank.\u003c\/p\u003e\u003ch5\u003eWhat engines does this fit?\u003c\/h5\u003e\u003cp\u003eThe Chevrolet small-block V8 in 305, 350, and 400 cubic-inch displacements.\u003c\/p\u003e\u003ch5\u003eShould I use this or the standard 8B663H-STD set?\u003c\/h5\u003e\u003cp\u003eUse this Extra Oil Clearance version for racing applications needing added clearance; use the standard set for a stock rebuild or mild street build.\u003c\/p\u003e\u003ch5\u003eIs this a rod or main bearing set?\u003c\/h5\u003e\u003cp\u003eThis is a rod (connecting rod) bearing set only.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does the extra oil clearance spec mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It means the bearing is machined with additional running clearance beyond the standard spec, which is often used in higher-RPM or higher-oil-volume racing applications. It still uses the Standard size fit for a factory, unmachined crank.\"}},{\"@type\":\"Question\",\"name\":\"What engines does this fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Chevrolet small-block V8 in 305, 350, and 400 cubic-inch displacements.\"}},{\"@type\":\"Question\",\"name\":\"Should I use this or the standard 8B663H-STD set?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Use this Extra Oil Clearance version for racing applications needing added clearance; use the standard set for a stock rebuild or mild street build.\"}},{\"@type\":\"Question\",\"name\":\"Is this a rod or main bearing set?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a rod (connecting rod) bearing set only.\"}}]}\u003c\/script\u003e","brand":"ACL","offers":[{"title":"Default Title","offer_id":41164889423920,"sku":"ACL8B663HX-STD","price":134.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/products\/caf15d587bfd5aadb24630f61e5e6645_d8872e5f-dd77-4ee9-bd71-3c8631c4143e.jpg?v=1708627602","url":"https:\/\/berryperformancesales.com\/products\/acl-chevrolet-v8-305-350-400-race-series-standard-extra-oil-clearance-8b663hx-std","provider":"Berry Performance Sales","version":"1.0","type":"link"}