{"product_id":"competition-rotating-assembly","title":"Competition Rotating Assembly","description":"The Scat 1-42370 is a competition rotating assembly designed for BB Chevy 540ci engines. This kit includes a robust 4340 forged steel crankshaft with a 4.250-inch stroke, paired with 6.385-inch H-beam connecting rods featuring 7\/16-inch cap screws.\n\nIncluded are Mahle forged flat top pistons with a -3cc dish, suitable for various compression ratios depending on cylinder head volume. The assembly also comes with performance rod and main bearings, and a premium performance ring set with Plasmamoly facing. The rear main seal is a 2-piece design.\n\nThis rotating assembly is sold as unbalanced and requires professional balancing before installation. Compression ratios can be achieved at 9.8:1 with 112cc heads, 9.4:1 with 118cc heads, and 9.0:1 with 124cc heads. The kit is compatible with Chevy BB applications and uses pistons with stock bore and oversize.","brand":"Chevrolet","offers":[{"title":"Default Title","offer_id":52687374287160,"sku":"SCA-1-42370","price":2884.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/661176079.jpg?v=1784883415","url":"https:\/\/store.motormia.co\/products\/competition-rotating-assembly","provider":"MOTORMIA","version":"1.0","type":"link"}