{"product_id":"psc-crankshaft-pulley-small-block-gm","title":"PSC MOTORSPORTS | Small Block GM Serpentine Pulleys – Crankshaft \u0026 Water Pump Options","description":"\u003cdiv\u003e\n\u003cp\u003eThese PSC serpentine pulleys are built for Small Block GM engines and designed to keep your accessory drive running smooth and efficient. Whether you’re dialing in reduction for performance or just want a clean, reliable setup, these pulleys deliver. Precision-machined for a perfect fit, they’re tough enough for street builds and custom projects alike.\u003c\/p\u003e\n\u003cp\u003eChoose from crankshaft and water pump options to match your setup:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePP3400:\u003c\/strong\u003e Crankshaft Pulley – 3.125\" – 15% Reduction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePP3401:\u003c\/strong\u003e Crankshaft Pulley – 3.9\" – 30% Reduction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePP3402:\u003c\/strong\u003e Water Pump Pulley – 5\" – Short Water Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePP3403:\u003c\/strong\u003e Crankshaft Pulley – 5\" – Short Water Pump (Use with PSC HWKRP1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch3\u003eApplication Requirements\u003c\/h3\u003e\u003cp\u003eSmall Block GM engines (verify short water pump compatibility where noted).\u003c\/p\u003e\u003ch3\u003eAvailable Configurations\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003eInstructions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePP3400\u003c\/td\u003e\n\u003ctd\u003eCrankshaft \/ 3.125\" \/ 15% Reduction\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0642\/9743\/5241\/files\/Bleed_Instructions_2026.pdf?v=1773438008\"\u003eGeneral PSC bleeding guide; consult product specifications\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePP3401\u003c\/td\u003e\n\u003ctd\u003eCrankshaft \/ 3.9\" \/ 30% Reduction\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0642\/9743\/5241\/files\/Bleed_Instructions_2026.pdf?v=1773438008\"\u003eGeneral PSC bleeding guide; consult product specifications\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePP3403\u003c\/td\u003e\n\u003ctd\u003eCrankshaft \/ 5\" \/ Standard (Use w\/ HWKRP1)\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0642\/9743\/5241\/files\/Bleed_Instructions_2026.pdf?v=1773438008\"\u003eGeneral PSC bleeding guide; consult product specifications\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePP3402\u003c\/td\u003e\n\u003ctd\u003eWater Pump \/ 5\" \/ Standard\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0642\/9743\/5241\/files\/Bleed_Instructions_2026.pdf?v=1773438008\"\u003eGeneral PSC bleeding guide; consult product specifications\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=BvUq6FMdLlU\"\u003ePSC video: general steering service and technical guidance\u003c\/a\u003e\u003c\/p\u003e","brand":"PSC","offers":[{"title":"Crankshaft \/ 3.125\" \/ 15% Reduction","offer_id":54370865512731,"sku":"PSC-PP3400","price":135.76,"currency_code":"CAD","in_stock":false},{"title":"Crankshaft \/ 3.9\" \/ 30% Reduction","offer_id":54370865545499,"sku":"PSC-PP3401","price":135.76,"currency_code":"CAD","in_stock":false},{"title":"Crankshaft \/ 5\" \/ Standard (Use w\/ HWKRP1)","offer_id":54370865578267,"sku":"PSC-PP3403","price":105.59,"currency_code":"CAD","in_stock":false},{"title":"Water Pump \/ 5\" \/ Standard","offer_id":54370865611035,"sku":"PSC-PP3402","price":105.59,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/2536\/6555\/files\/PP1521-1.jpg?v=1792869513","url":"https:\/\/niagarajeeps.ca\/products\/psc-crankshaft-pulley-small-block-gm","provider":"NIAGARA JEEPS \u0026 TRUCKS","version":"1.0","type":"link"}