{"product_id":"acl-nissan-sr20det-gtir-standard-size-high-performance-main-bearing-set-5-oil-holes-5m2975h-std","title":"ACL Nissan SR20DET GTiR Standard Size High Performance Main Bearing Set - 5 Oil Holes | 5M2975H-STD","description":"\u003cp\u003eThe ACL 5M2975H-STD is a standard-size High Performance main bearing set for the Nissan SR20DET GTiR. \"Standard Size\" means it's built for a stock, unmachined crankshaft journal. The upper bearing shell is machined with 5 oil holes to match the GTiR block's oiling passages.\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\u003c\/li\u003e\n\u003cli\u003eEngine Fitment: Nissan SR20DET GTiR\u003c\/li\u003e\n\u003cli\u003ePart Number: 5M2975H-STD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat size crank journal does this fit?\u003c\/h5\u003e\u003cp\u003eStandard size - built for a stock, unmachined SR20DET GTiR crankshaft journal.\u003c\/p\u003e\u003ch5\u003eWhat does \"5 oil holes in upper\" mean?\u003c\/h5\u003e\u003cp\u003eThe upper bearing shell is drilled with 5 oil holes to match the specific oiling configuration of the SR20DET GTiR block.\u003c\/p\u003e\u003ch5\u003eDoes this fit the standard SR20DE\/DET, not just the GTiR?\u003c\/h5\u003e\u003cp\u003eThis part is specifically machined for the GTiR variant's block; ACL offers separate main bearing sets for the 17mm and 19mm non-GTiR SR20 applications.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What size crank journal does this fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Standard size - built for a stock, unmachined SR20DET GTiR crankshaft journal.\"}},{\"@type\":\"Question\",\"name\":\"What does \\\"5 oil holes in upper\\\" mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The upper bearing shell is drilled with 5 oil holes to match the specific oiling configuration of the SR20DET GTiR block.\"}},{\"@type\":\"Question\",\"name\":\"Does this fit the standard SR20DE\/DET, not just the GTiR?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This part is specifically machined for the GTiR variant's block; ACL offers separate main bearing sets for the 17mm and 19mm non-GTiR SR20 applications.\"}}]}\u003c\/script\u003e","brand":"ACL","offers":[{"title":"Default Title","offer_id":42148417339440,"sku":"ACL5M2975H-STD","price":135.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/40122eef7c72ad8aedbf813a6911e74f_0f0982f6-1c06-4d86-ae97-c381bd1bdfe1.png?v=1751432625","url":"https:\/\/berryperformancesales.com\/products\/acl-nissan-sr20det-gtir-standard-size-high-performance-main-bearing-set-5-oil-holes-5m2975h-std","provider":"Berry Performance Sales","version":"1.0","type":"link"}