{"product_id":"wiseco-chevy-496-big-block-protru-street-series-pistons-60-over-dome-21cc-4-310in-bore","title":"Wiseco Chevy 496 Big Block ProTru Street Series Pistons .60 Over Dome +21cc 4.310in Bore","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eSKU\u003c\/b\u003e: PTS522A6 \/ \u003cmeta charset=\"utf-8\"\u003e\u003cb\u003eUPC\u003c\/b\u003e: 193564093431\u003c\/p\u003e\n\u003ch4 class=\"p1\"\u003eWiseco Chevy 496 Big Block ProTru Street Series Pistons .60 Over Dome +21cc 4.310in Bore\u003c\/h4\u003e\n\u003cp class=\"p1\"\u003eEngineered for superior performance, durability, and precision, these pistons are the definitive choice for enthusiasts and builders seeking the best in street and strip applications. Forged in the USA with cutting-edge technology, the Wiseco PTS522A6 pistons outperform all competitors, delivering unmatched power, reliability, and value for your Chevy 496 Big Block engine. When only the best will do, choose Wiseco for a rebuild that dominates the road and track.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhy Wiseco?\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePerformance\u003c\/b\u003e: Designed for high-performance Chevrolet Big Block engines, these pistons feature a +21cc dome to maximize compression and power output, achieving an impressive 10.2:1 compression ratio with a 4.250in stroke and 6.385in rod length. Perfect for street performance and occasional track use, they deliver explosive torque and horsepower.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSuperior Materials and Engineering\u003c\/b\u003e: Crafted from 4032 forged aluminum, these pistons offer exceptional strength and thermal stability. The ArmorGlide® skirt coating reduces friction, minimizes wear, and ensures quieter operation, setting them apart from other brands.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eComplete, Ready-to-Install Kit\u003c\/b\u003e: Each purchase includes everything needed for a seamless rebuild, saving you time and money compared to piecing together components from inferior brands.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eProven Reliability\u003c\/b\u003e: Wiseco’s 80+ years of racing heritage ensures these pistons are built to withstand the demands of high-performance driving, outperforming competitors in durability and longevity.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eBest Value for Performance\u003c\/b\u003e: Offering premium features at a competitive price, the PTS522A6 kit provides unmatched quality, making it the top choice for budget-conscious builders who refuse to compromise on performance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eIncluded:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Wiseco PTS522A6 kit is a comprehensive solution for your Chevrolet Big Block rebuild, including:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e8 Forged Pistons\u003c\/b\u003e: 4.310in bore, +21cc dome, 1.270in compression height, 0.990in pin diameter, Pro Tru Street Series.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePremium Ring Set\u003c\/b\u003e: 1\/16in x 1\/16in x 3\/16in ring grooves, precision-engineered for optimal sealing and performance.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eChromium Alloy Steel Piston Pins\u003c\/b\u003e: High-strength pins for maximum durability under high-RPM conditions.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSpirolox® Retainers\u003c\/b\u003e: Secure pin retention for reliable operation.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePart Number\u003c\/b\u003e: PTS522A6\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eUPC\u003c\/b\u003e: 193564093431\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFitment:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eMake\u003c\/b\u003e: Chevrolet\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eEngine\u003c\/b\u003e: Big Block (496ci)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eYears\u003c\/b\u003e: 1965-2000 (applicable to models with Big Block engines, confirm specific fitment with your engine specs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cstrong\u003eModels\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eChevrolet Camaro (1967-1996, Big Block-equipped models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eChevrolet Chevelle (1965-1975, Big Block-equipped models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eChevrolet Corvette (1965-1982, Big Block-equipped models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eChevrolet Impala (1965-1996, Big Block-equipped models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eChevrolet Nova (1969-1979, Big Block-equipped models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eChevrolet C\/K Series Trucks (1965-2000, Big Block-equipped models)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eEngine Specs\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eBore: 4.310in (.60 over)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eStroke: 4.250in\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRod Length: 6.385in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003eCompatible with Big Block Chevy 396, 402, 427, 454, and 496 engines (verify deck height and clearance)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote\u003c\/strong\u003e: Always confirm fitment with your engine’s specifications, as modifications or custom builds may affect compatibility. Consult a professional engine builder for precise fitment verification.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eBore Diameter\u003c\/b\u003e: 4.310in\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eCompression Height\u003c\/b\u003e: 1.270in\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePiston Volume\u003c\/b\u003e: +21.00cc (dome)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eCompression Ratio\u003c\/b\u003e: Approximately 10.2:1 (with 4.250in stroke, 6.385in rod, and standard 112cc chamber; verify with your setup)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePiston Material\u003c\/b\u003e: 4032 Forged Aluminum\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSkirt Coating\u003c\/b\u003e: ArmorGlide® for reduced friction and enhanced durability\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eForging Type\u003c\/b\u003e: Slab Side\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eRing Grooves\u003c\/b\u003e: 1\/16in (top), 1\/16in (second), 3\/16in (oil)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePiston Quantity\u003c\/b\u003e: 8\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePin Diameter\u003c\/b\u003e: 0.990in\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eProduct Series\u003c\/b\u003e: Pro Tru Street\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eIndustry\u003c\/b\u003e: Automotive\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eProduct Market\u003c\/b\u003e: Domestic\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":43268069883983,"sku":"WISPTS522A6","price":741.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/SKU_PTS522A6_UPC_193564093431.jpg?v=1751914279","url":"https:\/\/www.blackopsautoworks.com\/products\/wiseco-chevy-496-big-block-protru-street-series-pistons-60-over-dome-21cc-4-310in-bore","provider":"Black Ops Auto Works","version":"1.0","type":"link"}