{"product_id":"perrin-02-25-wrx-04-21-sti-crank-pulley-psp-eng-101","title":"Perrin [02-25 WRX, 04-21 STI] Crank Pulley | PSP-ENG-101","description":"\u003cp data-start=\"141\" data-end=\"282\"\u003e\u003cstrong data-start=\"141\" data-end=\"282\"\u003eFree up power and sharpen throttle response — the PERRIN Lightweight Crank Pulley is a must-have performance upgrade for your WRX or STI.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"583\"\u003eWeighing in at just 1.2 lbs, the PERRIN Crank Pulley shaves an impressive 3.7 lbs off the rotating mass compared to the stock pulley. This weight reduction is the equivalent of removing over 100 lbs of static vehicle weight — delivering noticeable gains in throttle response, horsepower, and torque.\u003c\/p\u003e\n\u003cp data-start=\"585\" data-end=\"841\"\u003eCNC-machined from high-grade aluminum and finished in a sleek anodized coating, this pulley isn’t just lighter — it’s stronger, more efficient, and built to last. A direct OEM replacement, it installs easily with no special tuning or modification required.\u003c\/p\u003e\n\u003cul data-start=\"843\" data-end=\"1198\"\u003e\n\u003cli data-start=\"843\" data-end=\"893\"\u003e\n\u003cp data-start=\"845\" data-end=\"893\"\u003eWeighs only 1.2 lbs — 3.7 lbs lighter than OEM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"894\" data-end=\"946\"\u003e\n\u003cp data-start=\"896\" data-end=\"946\"\u003eReduces rotating mass for faster engine response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"947\" data-end=\"1003\"\u003e\n\u003cp data-start=\"949\" data-end=\"1003\"\u003eIncreases horsepower and torque across the powerband\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1004\" data-end=\"1042\"\u003e\n\u003cp data-start=\"1006\" data-end=\"1042\"\u003eCNC-machined from 6061-T6 aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1043\" data-end=\"1102\"\u003e\n\u003cp data-start=\"1045\" data-end=\"1102\"\u003eAnodized finish for corrosion resistance and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1103\" data-end=\"1152\"\u003e\n\u003cp data-start=\"1105\" data-end=\"1152\"\u003eBalanced to OE standards for smooth operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1153\" data-end=\"1198\"\u003e\n\u003cp data-start=\"1155\" data-end=\"1198\"\u003eDirect-fit replacement — no tuning required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1200\" data-end=\"1222\"\u003e\u003cstrong data-start=\"1200\" data-end=\"1222\"\u003eWhat’s in the Box:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1224\" data-end=\"1314\"\u003e\n\u003cli data-start=\"1224\" data-end=\"1259\"\u003e\n\u003cp data-start=\"1226\" data-end=\"1259\"\u003ePERRIN Lightweight Crank Pulley\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1260\" data-end=\"1289\"\u003e\n\u003cp data-start=\"1262\" data-end=\"1289\"\u003eInstallation Instructions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1290\" data-end=\"1314\"\u003e\n\u003cp data-start=\"1292\" data-end=\"1314\"\u003eWarranty Information\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1316\" data-end=\"1392\"\u003e\u003cstrong data-start=\"1316\" data-end=\"1328\"\u003eFitment:\u003c\/strong\u003e\u003cbr data-start=\"1328\" data-end=\"1331\"\u003eSubaru WRX \u0026amp; STI (please confirm compatibility by year\/model)\u003c\/p\u003e\n\u003cp data-start=\"1394\" data-end=\"1558\"\u003e\u003cstrong data-start=\"1394\" data-end=\"1411\"\u003eInstallation:\u003c\/strong\u003e\u003cbr data-start=\"1411\" data-end=\"1414\"\u003e\u003cstrong data-start=\"1414\" data-end=\"1429\"\u003eDifficulty:\u003c\/strong\u003e ★★☆☆☆\u003cbr data-start=\"1435\" data-end=\"1438\"\u003e\u003cstrong data-start=\"1438\" data-end=\"1447\"\u003eTime:\u003c\/strong\u003e 30–60 min\u003cbr data-start=\"1457\" data-end=\"1460\"\u003e\u003cstrong data-start=\"1460\" data-end=\"1479\"\u003eTools Required:\u003c\/strong\u003e Impact wrench or crank pulley tool recommended\u003cbr data-start=\"1526\" data-end=\"1529\"\u003e\u003cstrong data-start=\"1529\" data-end=\"1546\"\u003eInstructions:\u003c\/strong\u003e [View Here]\u003c\/p\u003e\n\u003cp data-start=\"1560\" data-end=\"1601\"\u003e\u003cstrong data-start=\"1560\" data-end=\"1573\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"1573\" data-end=\"1576\"\u003ePERRIN Limited Warranty\u003c\/p\u003e\n\u003cp data-start=\"1603\" data-end=\"1723\"\u003e\u003cstrong data-start=\"1603\" data-end=\"1633\"\u003e⚠️ PROPOSITION 65 WARNING:\u003c\/strong\u003e\u003cbr data-start=\"1633\" data-end=\"1636\"\u003eCancer and Reproductive Harm — \u003ca data-start=\"1667\" data-end=\"1723\" class=\"\" rel=\"noopener\" href=\"https:\/\/www.P65Warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"JDMuscle","offers":[{"title":"2002-2014 WRX \/ Black \/ With A\/C","offer_id":51592619655487,"sku":"perPSP-ENG-100BK","price":124.95,"currency_code":"USD","in_stock":true},{"title":"2002-2014 WRX \/ Black \/ Without A\/C","offer_id":51592619688255,"sku":"perPSP-ENG-102BK","price":124.95,"currency_code":"USD","in_stock":true},{"title":"2002-2014 WRX \/ Red \/ With A\/C","offer_id":51592619721023,"sku":"perPSP-ENG-100RD","price":124.95,"currency_code":"USD","in_stock":true},{"title":"2002-2014 WRX \/ Red \/ Without A\/C","offer_id":51592619753791,"sku":"perPSP-ENG-102RD","price":124.95,"currency_code":"USD","in_stock":true},{"title":"2004-2021 STI \/ Black \/ With A\/C","offer_id":51592619786559,"sku":"perPSP-ENG-100BK","price":124.95,"currency_code":"USD","in_stock":true},{"title":"2004-2021 STI \/ Black \/ Without A\/C","offer_id":51592619819327,"sku":"perPSP-ENG-102BK","price":124.95,"currency_code":"USD","in_stock":true},{"title":"2004-2021 STI \/ Red \/ With A\/C","offer_id":51592619852095,"sku":"perPSP-ENG-100RD","price":124.95,"currency_code":"USD","in_stock":true},{"title":"2004-2021 STI \/ Red \/ Without A\/C","offer_id":51592619884863,"sku":"perPSP-ENG-102RD","price":124.95,"currency_code":"USD","in_stock":true},{"title":"2015-2018 WRX \/ Black \/ With A\/C","offer_id":51592619917631,"sku":"perPSP-ENG-101BK","price":124.95,"currency_code":"USD","in_stock":true},{"title":"2015-2018 WRX \/ Red \/ With A\/C","offer_id":51592619950399,"sku":"perPSP-ENG-101RD","price":124.95,"currency_code":"USD","in_stock":true},{"title":"2019-2021 WRX \/ Black \/ With A\/C","offer_id":51592619983167,"sku":"perPSP-ENG-104BK","price":183.6,"currency_code":"USD","in_stock":true},{"title":"2019-2021 WRX \/ Red \/ With A\/C","offer_id":51592620015935,"sku":"perPSP-ENG-104RD","price":183.6,"currency_code":"USD","in_stock":true},{"title":"2022-2025 WRX \/ Black \/ With A\/C","offer_id":51592620048703,"sku":"perPSP-ENG-106BK","price":183.6,"currency_code":"USD","in_stock":true},{"title":"2022-2025 WRX \/ Red \/ With A\/C","offer_id":51592620081471,"sku":"perPSP-ENG-106RD","price":183.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/perrin-crank-pulley-wrx-2015-2018-scion-fr-s-2013-2016-subaru-brz-2013-2018-impreza-2012-2013-crosstrek-psp-eng-101bk-psp-eng-101rd-pulleys-perrin-performance.jpg?v=1763988276","url":"https:\/\/smgspeed.com\/products\/perrin-02-25-wrx-04-21-sti-crank-pulley-psp-eng-101","provider":"SMGspeed","version":"1.0","type":"link"}