{"product_id":"speed-pro-sbc-383-chev-flat-top-piston-4-020-bore-5-7-rods-6cc-h860cp-020-h860cp20-h860cp20","title":"Speed Pro Sbc 383 Chev Flat Top Piston 4.020 Bore 5.7 Rods -6Cc (H860CP 020) H860CP20","description":"\u003ch2\u003eSpeed Pro Sbc 383 Chev Flat Top Piston 4.020 Bore 5.7 Rods -6Cc\u003c\/h2\u003e\n\u003cp\u003eThe Speed Pro SBC 383 Chev Flat Top Piston is designed for performance enthusiasts looking to enhance their engine's efficiency and power. With a bore size of 4.020 inches and compatibility with 5.7-inch rods, this piston is a perfect fit for both DIY mechanics and professional builders. Speed Pro's innovative DUROSHIELD coating technology ensures durability and longevity, making it an excellent choice for high-performance applications.\u003c\/p\u003e\n\u003cp\u003eThese pistons are available in both hypereutectic and POWERFORGED variants, providing options for various performance needs. The exclusive moly-graphite skirt coating significantly reduces friction and wear, promoting better fuel economy and horsepower while safeguarding your engine from damage due to inadequate lubrication.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDUROSHIELD skirt coating reduces friction for improved fuel economy and horsepower\u003c\/li\u003e\n\u003cli\u003eEliminates scuffing and wear, extending piston life\u003c\/li\u003e\n\u003cli\u003ePrevents damage from inadequate lubrication, especially during start-up\u003c\/li\u003e\n\u003cli\u003eEnhances cylinder sealing for reduced blow-by and increased power\u003c\/li\u003e\n\u003cli\u003eCompatible with both press and float pin types\u003c\/li\u003e\n\u003cli\u003eNo increase in skirt clearance required for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCID: 381\u003c\/li\u003e\n\u003cli\u003eBore: 4.020 inches\u003c\/li\u003e\n\u003cli\u003eStroke: 3.750 inches\u003c\/li\u003e\n\u003cli\u003eRod Length: 5.700 inches\u003c\/li\u003e\n\u003cli\u003eCompression Height: 1.425 inches\u003c\/li\u003e\n\u003cli\u003eCompression Ratio with 64cc chamber volume: 10.35\u003c\/li\u003e\n\u003cli\u003eCompression Ratio with 72cc chamber volume: 9.53\u003c\/li\u003e\n\u003cli\u003eCompression Ratio with 76cc chamber volume: 9.18\u003c\/li\u003e\n\u003cli\u003eDome Volume: -12.0cc\u003c\/li\u003e\n\u003cli\u003eRecommended Ring Set: Moly - SPE251K 020, STD Fit - SPR9903 020, File Fit - SPR9343 025\u003c\/li\u003e\n\u003cli\u003eCoated skirt for enhanced performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications \/ fitment\u003c\/h3\u003e\n\u003cp\u003eThis piston is typically used in high-performance SBC (Small Block Chev) engines, ideal for both street and race applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePassenger vehicles with SBC engines\u003c\/li\u003e\n\u003cli\u003ePerformance builds for racing applications\u003c\/li\u003e\n\u003cli\u003eCustom street rods and hot rods\u003c\/li\u003e\n\u003cli\u003eOff-road vehicles requiring enhanced engine performance\u003c\/li\u003e\n\u003cli\u003eRestoration projects needing reliable power upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy buy from Mick’s Gone Bush?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrusted Australian business focused on reliable power, auto-electrical, and service parts.\u003c\/li\u003e\n\u003cli\u003eStock sourced from reputable distributors and brands.\u003c\/li\u003e\n\u003cli\u003ePractical support for trade, off-grid, and fleet customers.\u003c\/li\u003e\n\u003cli\u003eClear shipping, warranty, and customer service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch4\u003eWhat is the advantage of DUROSHIELD coating?\u003c\/h4\u003e\n\u003cp\u003eThe DUROSHIELD coating reduces friction, enhances durability, and essentially eliminates scuffing, which helps prolong engine life.\u003c\/p\u003e\n\u003ch4\u003eCan I use these pistons in a standard rebuild?\u003c\/h4\u003e\n\u003cp\u003eYes, these pistons are suitable for both performance builds and standard rebuilds, offering enhanced performance without the need for significant modifications.\u003c\/p\u003e\n\u003ch4\u003eWhat ring set is recommended for these pistons?\u003c\/h4\u003e\n\u003cp\u003eThe recommended ring sets are Moly - SPE251K 020, STD Fit - SPR9903 020, and File Fit - SPR9343 025.\u003c\/p\u003e\n\u003ch4\u003eAre these pistons compatible with my engine?\u003c\/h4\u003e\n\u003cp\u003eThese pistons are designed for SBC engines, specifically those with a 4.020-inch bore and 5.7-inch rods.\u003c\/p\u003e\n\u003ch4\u003eHow do I ensure proper installation?\u003c\/h4\u003e\n\u003cp\u003eIt is advisable to follow manufacturer guidelines for installation and consider consulting a professional mechanic if you are unsure.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the advantage of DUROSHIELD coating?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The DUROSHIELD coating reduces friction, enhances durability, and essentially eliminates scuffing, which helps prolong engine life.\"}},{\"@type\":\"Question\",\"name\":\"Can I use these pistons in a standard rebuild?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these pistons are suitable for both performance builds and standard rebuilds, offering enhanced performance without the need for significant modifications.\"}},{\"@type\":\"Question\",\"name\":\"What ring set is recommended for these pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The recommended ring sets are Moly - SPE251K 020, STD Fit - SPR9903 020, and File Fit - SPR9343 025.\"}},{\"@type\":\"Question\",\"name\":\"Are these pistons compatible with my engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These pistons are designed for SBC engines, specifically those with a 4.020-inch bore and 5.7-inch rods.\"}},{\"@type\":\"Question\",\"name\":\"How do I ensure proper installation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is advisable to follow manufacturer guidelines for installation and consider consulting a professional mechanic if you are unsure.\"}}]} \u003c\/script\u003e","brand":"Speed Pro","offers":[{"title":"Default Title","offer_id":53205826273440,"sku":"H860CP20","price":406.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/5058\/0875\/files\/H860CP20__01.jpg?v=1769445213","url":"https:\/\/www.micksgonebush.com.au\/products\/speed-pro-sbc-383-chev-flat-top-piston-4-020-bore-5-7-rods-6cc-h860cp-020-h860cp20-h860cp20","provider":"Micks Gone Bush","version":"1.0","type":"link"}