{"product_id":"dayco-pbu1117ss10-engine-harmonic-balancer","title":"Dayco PBU1117SS10 Engine Harmonic Balancer","description":"\u003ch2\u003eOverview of Dayco Race Performance 10% Underdrive Harmonic Balancer\u003c\/h2\u003e\u003cp\u003eThe Dayco Race Performance 10% Underdrive Engine Harmonic Balancer (PBU1117SS10) is engineered for precision and durability in high-performance applications. Designed specifically for select Cadillac, Chevrolet, and Pontiac models, this harmonic balancer helps optimize engine efficiency and reduce crankshaft stress.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Cadillac Caprice, Chevrolet Corvette, CTS, G8, and SS models\u003c\/li\u003e\n\u003cli\u003ePart Number: PBU1117SS10\u003c\/li\u003e\n\u003cli\u003eNeutral counterweight balance with no additional counterweights\u003c\/li\u003e\n\u003cli\u003eTwo integrated serpentine pulleys with 4 and 6 grooves respectively\u003c\/li\u003e\n\u003cli\u003eSteel outer ring construction for enhanced durability\u003c\/li\u003e\n\u003cli\u003eIncludes installation instructions; hardware not included\u003c\/li\u003e\n\u003cli\u003eFeatures timing marks for precise engine tuning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis harmonic balancer features a 3-bolt hole design and a crank bore diameter of 1.481 inches (37.60 mm), ensuring a secure fit on compatible engines. The overall outside diameter measures 7.225 inches (183.50 mm), with an overall width of 2.817 inches (71.55 mm). The balancer includes two integrated serpentine pulleys: Pulley 1 has 4 grooves with a diameter of 7.067 inches (179.5 mm), and Pulley 2 has 6 grooves with a diameter of 6.52 inches (165.6 mm). The steel outer ring and a ring width of 2.421 inches (61.49 mm) contribute to the component's strength and longevity. This part does not include a crank trigger or exciter plate, nor does it come with a Woodruff key or mounting hardware.\u003c\/p\u003e\u003ch2\u003eAbout the Race Performance 10% Underdrive Product Line\u003c\/h2\u003e\u003cp\u003eThe Race Performance 10% Underdrive line by Dayco is designed to reduce parasitic drag on the engine by underdriving accessory pulleys by 10%. This results in improved engine response and efficiency, particularly beneficial in racing or high-performance street applications. The PBU1117SS10 harmonic balancer is part of this line, offering a neutral balance design and integrated serpentine pulleys to maintain accessory drive functionality while optimizing engine output.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces crankshaft vibration and stress in high-performance Cadillac, Chevrolet, and Pontiac engines\u003c\/li\u003e\n\u003cli\u003eImproves accessory drive efficiency with underdrive pulley ratios\u003c\/li\u003e\n\u003cli\u003eHelps maintain engine timing accuracy with integrated timing marks\u003c\/li\u003e\n\u003cli\u003eAddresses pulley wear issues by using durable steel outer ring construction\u003c\/li\u003e\n\u003cli\u003eSupports engine modifications requiring neutral balance without added counterweights\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInstallation instructions are included for proper fitment and torque specifications\u003c\/li\u003e\n\u003cli\u003eHardware is not included; use factory or recommended fasteners for secure mounting\u003c\/li\u003e\n\u003cli\u003eEnsure crank bore and bolt hole alignment matches your vehicle’s specifications\u003c\/li\u003e\n\u003cli\u003eVerify pulley groove compatibility with existing serpentine belts\u003c\/li\u003e\n\u003cli\u003eCheck timing marks alignment during installation for accurate engine timing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Race Performance 10% Underdrive harmonic balancer to meet stringent quality standards, using high-grade steel materials for durability and performance. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliability in demanding automotive applications.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391731564725,"sku":"BJTQ-PBU1117SS10","price":282.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_PBU1117SS10_Fro.jpg?v=1774729425","url":"https:\/\/www.partcatalog.com\/products\/dayco-pbu1117ss10-engine-harmonic-balancer","provider":"PartCatalog","version":"1.0","type":"link"}