{"product_id":"diamond-pistons-l83-5-3l-3-780-bore-4-000-stroke-6-125-rod-5-0cc-di-21508-r1-8","title":"Diamond Pistons - L83 5.3L - 3.780\" Bore - 4.000\" Stroke - 6.125\" Rod - 5.0CC - DI","description":"\u003cp\u003eDIAMOND PISTONS - L83 5.3L - 3.780\" BORE - 4.000\" STROKE - 6.125\" ROD - 5.0CC - DI - 21508-R1-8\u003cbr\u003e\nThe muscle car era is back with a horsepower-fueled vengeance and Diamond has late-model muscle builders covered with a huge selection of performance pistons. Whether you’re building an LS, LT, Modular\/Coyote, or a third generation Hemi, Diamond has the pistons you need to get the job done right. Pistons are available for builders seeking more cubic inches, higher compression, or nitrous\/boost ready performance, and all of Diamonds Modern Muscle pistons are forged and machined 100% in the USA, utilize extremely strong 2618 aluminum and incorporate premium Trend Performance wrist pins.\u003cbr\u003e\nCubic Inches on 5.3 applications: 359ci\u003cbr\u003e\nBore Diameter - 3.780 IN\u003cbr\u003e\nCompression Height - 1.115 IN\u003cbr\u003e\nPiston Volume - -5.00 CC\u003cbr\u003e\nRing Set Part Number - 09543780\u003cbr\u003e\nTop Compression Ring Thickness - 1.00 MM\u003cbr\u003e\nSecond Compression Ring Thickness - 1.20 MM\u003cbr\u003e\nOil Ring Thickness - 2.80 MM\u003cbr\u003e\nRing Set Included - Yes\u003cbr\u003e\nOil Rail Support Part Number - 019011780-8\u003cbr\u003e\nOil Rail Support Included - Yes\u003cbr\u003e\nWrist Pin Part Number - G9272500185\u003cbr\u003e\nWrist Pin Outside Diameter - 0.927 IN\u003cbr\u003e\nWrist Pin Included - Yes\u003cbr\u003e\nWrist Pin Retainer Part Number - 015104-32\u003cbr\u003e\nWrist Pin Retainer Included - Yes\u003cbr\u003e\nPiston Series - L83\u003cbr\u003e\nProduct Type - Engine Piston Kit\u003cbr\u003e\nStroke - 4.000 IN\u003cbr\u003e\nRod Length - 6.125 IN\u003cbr\u003e\nRing Set Thickness - 1.00 MM x 1.20 MM x 2.80 MM\u003cbr\u003e\nPiston Quantity - 8\u003cbr\u003e\nForging Type - Full Round\u003cbr\u003e\nVP Intake Depth - 0.130 IN\u003cbr\u003e\nVP Exhaust Depth - 0.150 IN\u003cbr\u003e\nAdd-On - 015104-32|019011780-8|09543780|G9272500185\u003cbr\u003e\nCompression Ratio - 11.10\u003c\/p\u003e","brand":"Diamond Pistons","offers":[{"title":"Default Title","offer_id":52041556230438,"sku":"21508-R1-8","price":917.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/1666\/1542\/files\/screenshot_at_dec_05_13-06-26.jpg?v=1770810176","url":"https:\/\/billysspeedshop.com\/da\/products\/diamond-pistons-l83-5-3l-3-780-bore-4-000-stroke-6-125-rod-5-0cc-di-21508-r1-8","provider":"Billys Speed Shop","version":"1.0","type":"link"}