{"product_id":"sc7542","title":"SC7542","description":"\u003cp\u003eMazda BP 1.8L\u003c\/p\u003e\n\u003cp\u003eBore: 84mm (3.287\")\u003cbr\u003eCompression Height: 30.7mm (1.208\")\u003cbr\u003e20mm (.787\") pin diameter\u003cbr\u003e9:1 Compression Ratio\u003cbr\u003e-0.10cc Dome*\u003cbr\u003e1mm top ring\u003cbr\u003e1.2mm 2nd ring\u003cbr\u003e2.8mm oil ring\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e*This is a dome piston but with the valve reliefs it has a negative net volume. Treat as a \"dish\" when doing CR calculations*\u003c\/p\u003e\n\u003cp\u003eTo verify fitment or help selecting a piston for your build email us at tech@healeyperformance.com or call to speak with our experienced staff\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e*product image is a representation and may differ slightly from actual product\u003c\/p\u003e","brand":"Healey Performance","offers":[{"title":"Default Title","offer_id":47489985052930,"sku":null,"price":885.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/7973\/7602\/files\/Mazda_BP_1.8_SC7541.png?v=1773955576","url":"https:\/\/healeyperformance.com\/products\/sc7542","provider":"Healey Performance","version":"1.0","type":"link"}