{"product_id":"62142-forged-piston-kits-and-replacement-parts-for-big-twin","title":"Piston Wiseco 7:1 +.030\"Os Sh 1340Cc W \/ Pin Locks \u0026 Rings 3.497 Std Bore Std Compression","description":"\u003ch1\u003eWISECO +.030 PISTON KIT FOR HARLEY 1340CC 7:1 SHOVELHEAD 1978\/1984\u003c\/h1\u003e\nWEIGHT: 2.77\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWISECO\u003c\/b\u003e PISTONS ARE FORGED FROM HI-SILICON ALUMINUM ALLOY FOR SUPERIOR STRENGTH AND DEPENDABILITY\u003c\/li\u003e\n\u003cli\u003eTHE UNIQUE PISTON SHAPE ALLOWS TIGHT PISTON TO WALL CLEARANCES FOR QUIETER OPERATION\u003c\/li\u003e\n\u003cli\u003eGROOVES ARE MACHINED AROUND THE TOP RING LANDS TO REDUCE DETONATION AND IMPROVE THE SEALING POWER OF THE TOP RING\u003c\/li\u003e\n\u003cli\u003eDESIGNED FOR STOCK STROKE FLYWHEELS ONLY\u003c\/li\u003e\n\u003cli\u003eALL WRIST PIN HOLES ARE REAM FIT FOR A PERFECT GEOMETRICAL SURFACE\u003c\/li\u003e\n\u003cli\u003eENLARGED VALVE POCKETS PROVIDE THE CLEARANCE FOR LARGER VALVES AND HIGH LIFT CAMS BUT MUST BE CHECKED\u003c\/li\u003e\n\u003cli\u003eINCLUDES INSTRUCTIONS AND CLEARANCE RECOMMENDATIONS\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNOTE:\u003c\/b\u003e HASTINGS REPLACEMENT RINGS ARE FOR ONE PISTON ONLY UNLESS OTHERWISE NOTED BY A \u003cb\u003e\u003cspan color=\"RED\" style=\"COLOR: RED;\"\u003e*\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003ePISTON KIT FITS SHOVELHEAD 1978\/1984 1340CC (80CI)\u003cbr\u003e7:1 COMPRESSION , 3.497\" STANDARD BORE +.030\" O.S.\u003cbr\u003eBY: WISECO PERFORMANCE PISTONS","brand":"MID-USA","offers":[{"title":"Default Title","offer_id":20200067104879,"sku":"62142","price":386.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7401\/0479\/products\/0069447_0.jpg?v=1575371930","url":"https:\/\/www.widowmakersboneyard.com\/products\/62142-forged-piston-kits-and-replacement-parts-for-big-twin","provider":"Widowmaker's Boneyard","version":"1.0","type":"link"}