{"title":"Mazda Pistons","description":"","products":[{"product_id":"sc7540","title":"SC7540","description":"\u003cp\u003eMazda BP 1.8L\u003c\/p\u003e\n\u003cp\u003eBore: 83mm (3.268\")\u003cbr\u003eCompression Height: 30.7mm (1.208\")\u003cbr\u003e20mm (.787\") pin diameter\u003cbr\u003e9:1 Compression Ratio\u003cbr\u003e1.12cc Dome\u003cbr\u003e1mm top ring\u003cbr\u003e1.2mm 2nd ring\u003cbr\u003e2.8mm oil ring\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":47489975877890,"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"},{"product_id":"sc7541","title":"SC7541","description":"\u003cp\u003eMazda BP 1.8L\u003c\/p\u003e\n\u003cp\u003eBore: 83.5mm (3.287\")\u003cbr\u003eCompression Height: 30.7mm (1.208\")\u003cbr\u003e20mm (.787\") pin diameter\u003cbr\u003e9:1 Compression Ratio\u003cbr\u003e0.6cc Dome\u003cbr\u003e1mm top ring\u003cbr\u003e1.2mm 2nd ring\u003cbr\u003e2.8mm oil ring\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":47489984692482,"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"},{"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"},{"product_id":"sc7534","title":"SC7534","description":"\u003cp\u003eMazda MZR 2.3L DISI\u003c\/p\u003e\n\u003cp\u003eBore: 87.5mm (3.445\")\u003cbr\u003eCompression Height: 32.5mm (1.280\")\u003cbr\u003e22mm (.866\") pin diameter\u003cbr\u003e8.5:1 Compression Ratio\u003cbr\u003e-22.7cc Dish\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\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":47490034958594,"sku":null,"price":885.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/7973\/7602\/files\/Mazda_MZR_2.3_SC7534.png?v=1774574546"},{"product_id":"sc7534-copy","title":"SC7538","description":"\u003cp\u003eMazda MZR 2.3L DISI\u003c\/p\u003e\n\u003cp\u003eBore: 87.5mm (3.445\")\u003cbr\u003eCompression Height: 32.5mm (1.280\")\u003cbr\u003e22mm (.866\") pin diameter\u003cbr\u003e9.5:1 Compression Ratio\u003cbr\u003e-13.8cc Dish\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\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":47490061762818,"sku":null,"price":885.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/7973\/7602\/files\/Mazda_MZR_2.3_SC7534.png?v=1774574546"},{"product_id":"sc7535","title":"SC7535","description":"\u003cp\u003eMazda MZR 2.3L DISI\u003c\/p\u003e\n\u003cp\u003eBore: 87.5mm (3.465\")\u003cbr\u003eCompression Height: 32.5mm (1.280\")\u003cbr\u003e22mm (.866\") pin diameter\u003cbr\u003e8.5:1 Compression Ratio\u003cbr\u003e-23.5cc Dish\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\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":47490062057730,"sku":null,"price":885.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/7973\/7602\/files\/Mazda_MZR_2.3_SC7534.png?v=1774574546"},{"product_id":"sc7537","title":"SC7537","description":"\u003cp\u003eMazda MZR 2.3L DISI\u003c\/p\u003e\n\u003cp\u003eBore: 88mm (3.465\")\u003cbr\u003eCompression Height: 32.5mm (1.280\")\u003cbr\u003e22mm (.866\") pin diameter\u003cbr\u003e9:1 Compression Ratio\u003cbr\u003e-23.5cc Dish\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\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":47490069823746,"sku":null,"price":885.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/7973\/7602\/files\/Mazda_MZR_2.3_SC7534.png?v=1774574546"},{"product_id":"sc7539","title":"SC7539","description":"\u003cp\u003eMazda MZR 2.3L DISI\u003c\/p\u003e\n\u003cp\u003eBore: 88mm (3.465\")\u003cbr\u003eCompression Height: 32.5mm (1.280\")\u003cbr\u003e22mm (.866\") pin diameter\u003cbr\u003e9.5:1 Compression Ratio\u003cbr\u003e-14.5cc Dish\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\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":47490070446338,"sku":null,"price":885.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/7973\/7602\/files\/Mazda_MZR_2.3_SC7534.png?v=1774574546"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/7973\/7602\/collections\/ChatGPT_Image_Mar_19_2026_03_39_15_PM.png?v=1773960021","url":"https:\/\/healeyperformance.com\/collections\/ford-sport-compact-copy.oembed","provider":"Healey Performance","version":"1.0","type":"link"}