{"product_id":"kb-performance-1340cc-shovel-pop-up-piston-kit-040-for-harley-davidson","title":"KB Performance, 1340Cc Shovel Pop-Up Piston Kit. +.040\" For Harley Davidson","description":"High compression pop-up piston set.\u003cbr data-mce-fragment=\"1\"\u003e 9.5:1 CR.\u003cbr data-mce-fragment=\"1\"\u003e Piston weight 388gr.\u003cbr data-mce-fragment=\"1\"\u003e Piston pin weight 97gr.\u003cbr data-mce-fragment=\"1\"\u003e Head type: Dome\u003cbr data-mce-fragment=\"1\"\u003e \/ Dome -47cc. Compression height 1.285\"\u003cbr data-mce-fragment=\"1\"\u003e \/ Bore 3.4980\". Stroke 4.250\". Rod length 7.440\"\u003cbr data-mce-fragment=\"1\"\u003e \/ Cyl. length 5.330\".  \u003cbr data-mce-fragment=\"1\"\u003eComes with T5 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.\u003cbr data-mce-fragment=\"1\"\u003e Note: Top compression ring will need additional clearance.\u003cbr data-mce-fragment=\"1\"\u003e See instructions.\u003cbr data-mce-fragment=\"1\"\u003e Note: Around 30% of stock 1340cc Shovel cylinders may present a problem in combination with the location of some of the oil return holes since KB pistons have a wider piston ring pack for better piston stability in the cylinder.\u003cbr data-mce-fragment=\"1\"\u003e In these cases the oil return hole must be re-located (lowered) to avoid excessive oil consumption.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e Fits: \u0026gt; 79-84 1340cc Shovel (NU)","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":40436201193557,"sku":"MC944658","price":324.38,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1606\/2595\/products\/944653k_0bd8dc0c-8aae-41c1-bec5-02f6bab9643f.jpg?v=1669375441","url":"https:\/\/california-motorcycles.com\/en\/products\/kb-performance-1340cc-shovel-pop-up-piston-kit-040-for-harley-davidson","provider":"California Motorcycles","version":"1.0","type":"link"}