{"product_id":"corvette-belt-water-pumpidler-327-sb-350365hp-reprodt-gm-3871258-1964","title":"Corvette Belt. Water Pump\/Idler - 327 SB 350\/365hp - Reprodt - GM# 3871258: 1964","description":"\u003cdiv\u003e\n\u003ch2\u003eAuthentic Water Pump\/Idler Belt for 1964 Corvette with 327 SmallBlock (350\/365hp) – GM 3871258\u003c\/h2\u003e\n\u003cp\u003eEngineered by Reprodt to mirror the original GM specification, this belt is the faithful reproduction you need for a classic 1964 Corvette powered by the 327 cubic inch smallblock, including the 350 and 365hp variants. Designed to work with the factory water pump and idler pulley arrangement, it preserves the periodcorrect appearance and precise belt alignment that enthusiasts demand for restoration or authentic street use.\u003c\/p\u003e\n\u003cp\u003eKey benefits and what makes it stand out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eOEMaligned fit for 327 SB engines\u003c\/strong\u003e – specifically tuned to the 1964 Corvette’s water pump and idler pulley layout to ensure reliable cooling circulation and smooth accessory drive.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGM part reference\u003c\/strong\u003e – GM# 3871258, ensuring compatibility with original specifications and easing crossreference during restoration projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAuthentic restoration credibility\u003c\/strong\u003e – reproduces the exact belt profile and dimensions required to maintain the engine bay’s authentic look, feel, and performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for highhorsepower 327 builds\u003c\/strong\u003e – supports the 350\/365hp configurations where correct belt routing and tension are critical to maintain cooling efficiency and accessory operation under demanding conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurability for vintage operation\u003c\/strong\u003e – crafted to withstand heat cycles and oil exposure typical of classic V8 engine bays, delivering dependable service on concoursdriven restorations or weekend cruises.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWho should consider this belt?\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRestorers restoring a 1964 Corvette with the 327 smallblock looking for periodcorrect components.\u003c\/li\u003e \u003cli\u003eOwners seeking to preserve OEM authenticity while maintaining reliable cooling and accessory drive.\u003c\/li\u003e \u003cli\u003eCollectors and enthusiasts aiming for concoursgrade accuracy without compromising drive performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePractical notes for installation and care:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMatch the belt routing to the factory layout around the water pump and idler pulley, avoiding interference with the fan and shroud.\u003c\/li\u003e \u003cli\u003eInspect the belt for wear, cracks, or glazing after installation and replace if any signs of deterioration appear.\u003c\/li\u003e \u003cli\u003eRefer to the vehicle’s service manual for recommended tension and tightening sequence to ensure proper drive alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn short, this Reprodt belt delivers authentic fit, GMspec accuracy, and reliable performance for those preserving the classic 1964 Corvette experience. It’s the authentic choice when you want to honor the original engineering while keeping your engine bay looking and functioning as it did from the factory.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"CA","offers":[{"title":"Default Title","offer_id":40981626617905,"sku":"A251570DS","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/4078\/files\/medium_f2bd8607-fb10-4c2c-8f83-8d848b911b58.jpg?v=1777043213","url":"https:\/\/www.corvetteguys.com\/products\/corvette-belt-water-pumpidler-327-sb-350365hp-reprodt-gm-3871258-1964","provider":"CorvetteGuys.com","version":"1.0","type":"link"}