{"product_id":"1275-020-county-piston-set-9-75-1-grant-ring-set-of-4-1293cc-cp726k-020","title":"1275+020 COUNTY PISTON SET (9.75:1) \u0026 GRANT RING- SET OF 4 (1293cc) [CP726K-020]","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eQuality \u003cstrong\u003e1275cc +020\" oversize piston and ring set\u003c\/strong\u003e for the \u003cstrong\u003eCooper S 1275cc A-Series engine\u003c\/strong\u003e, giving approximately \u003cstrong\u003e1293cc\u003c\/strong\u003e capacity when fitted.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis set includes \u003cstrong\u003eCounty pistons with Grant piston rings\u003c\/strong\u003e and is designed for a \u003cstrong\u003e9.75:1 compression ratio\u003c\/strong\u003e. The pistons use \u003cstrong\u003epress-fit gudgeon pins\u003c\/strong\u003e and are supplied as a complete set ready for your engine rebuild.\u003c\/p\u003e\n\u003ch3\u003eKit Includes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e4x County +020\" oversize pistons\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4x Grant +020\" piston ring sets\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4x press-fit gudgeon pins\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSuitable for \u003cstrong\u003e1275cc +020\" A-Series engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eApproximately \u003cstrong\u003e1293cc\u003c\/strong\u003e finished capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 1275cc Cooper S A-Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e +020\" oversize\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinished capacity:\u003c\/strong\u003e Approx. \u003cstrong\u003e1293cc\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression ratio:\u003c\/strong\u003e \u003cstrong\u003e9.75:1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston type:\u003c\/strong\u003e County\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCounty piston identification:\u003c\/strong\u003e \u003cstrong\u003eCP726 020\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing brand:\u003c\/strong\u003e Grant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrant ring identification:\u003c\/strong\u003e \u003cstrong\u003eG1818 020 \/ G1818 020\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGudgeon pins:\u003c\/strong\u003e Press fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression height:\u003c\/strong\u003e \u003cstrong\u003e1.527\"\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\u003cp\u003eThese pistons are specifically suited to the \u003cstrong\u003eCooper S-type 1275cc engine configuration\u003c\/strong\u003e and use \u003cstrong\u003epress-fit gudgeon pins\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe +020\" oversize pistons require the cylinder block to be correctly machined to suit. We recommend checking the existing bore and having the block measured before ordering.\u003c\/p\u003e\n\u003cp\u003eAlways confirm the piston specification, compression height and gudgeon pin arrangement when rebuilding an A-Series engine, particularly when mixing components from different 1275cc engine types.\u003c\/p\u003e\n\u003cp\u003eA quality \u003cstrong\u003eCounty piston and Grant ring combination\u003c\/strong\u003e for building a \u003cstrong\u003e1293cc Cooper S-style A-Series engine\u003c\/strong\u003e, supplied as a complete set of four.\u003c\/p\u003e","brand":"Minisport","offers":[{"title":"Default Title","offer_id":53713357668662,"sku":"CP726K-020","price":495.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/3322\/9366\/files\/20260220_150134.jpg?v=1771562121","url":"https:\/\/minisport.com.au\/products\/1275-020-county-piston-set-9-75-1-grant-ring-set-of-4-1293cc-cp726k-020","provider":"Minisport","version":"1.0","type":"link"}