{"product_id":"spool-cp-custom-rb30et-sohc-head-pistons-8-5-1","title":"Spool CP Custom RB30ET (SOHC Head) Pistons 8.5:1","description":"\u003ch2\u003eThese Spool CP Custom Pistons are available in:\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eBore: +0.5mm\u003c\/li\u003e\r\n\u003cli\u003eComp Ratio: 8.5:1\u003c\/li\u003e\r\n\u003cli\u003e5310 Series Pins\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Also available in any bore size and comp ratio – please email for details.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eCP Pistons standard features include:\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e5310 gudgeon pins (9310 thicker wall thickness pins are available as an upgrade)\u003c\/li\u003e\r\n\u003cli\u003eDeep valve reliefs accommodate high lift camshafts\u003c\/li\u003e\r\n\u003cli\u003eLarger valve reliefs for +1mm valve sizes\u003c\/li\u003e\r\n\u003cli\u003eCustom skirt cam and barrel design\u003c\/li\u003e\r\n\u003cli\u003eAccumulator grooves\u003c\/li\u003e\r\n\u003cli\u003eHigh strength aluminum forgings\u003c\/li\u003e\r\n\u003cli\u003eHigh performance rings\u003c\/li\u003e\r\n\u003cli\u003eFully CNC machined and balanced to +\/- 1 gram\u003c\/li\u003e\r\n\u003cli\u003eWrist pins included\u003c\/li\u003e\r\n\u003cli\u003eDouble pin oilers force fed from oil ring groove\u003c\/li\u003e\r\n\u003cli\u003ePick lock grooves for easy lock removal\u003c\/li\u003e\r\n\u003cli\u003ePin fitting included\u003c\/li\u003e\r\n\u003c\/ul\u003e\u003ch2\u003eAvailable options\u003c\/h2\u003e\u003cul\u003e\u003cli\u003ePiston Pin Upgrades: No Pin Upgrade; 9310 0.200\" Pins; 9310 0.250\" Pins\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eEngine build fitment\u003c\/h2\u003e\u003cp\u003eRB30ET (SOHC). Match the selected dimensions, engine generation and rotating assembly specification before machining or assembly.\u003c\/p\u003e\u003ch2\u003eInstallation and BBT workshop support\u003c\/h2\u003e\u003cp\u003eConfirm finished bore size, piston-to-wall clearance, compression height, pin specification, ring gaps and valve clearance against the supplied piston documentation.\u003c\/p\u003e\u003cp\u003eBuilt by Boost \u0026amp; Tune is an authorised Spool Imports dealer and can assist with component selection, engine assembly and tuning requirements for your build.\u003c\/p\u003e","brand":"CP Carrillo","offers":[{"title":"No Pin Upgrade","offer_id":67601313562691,"sku":"BBT-SP-A3259481977F2ACF","price":2150.0,"currency_code":"AUD","in_stock":true},{"title":"9310 0.200\" Pins","offer_id":67601313595459,"sku":"BBT-SP-80CD2961843749BE","price":2440.0,"currency_code":"AUD","in_stock":true},{"title":"9310 0.250\" Pins","offer_id":67601313628227,"sku":"BBT-SP-6142D08A74CBFD3B","price":2645.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/spool-4c5ad8d6d81c-cp-forged-pistons-8-5_85fc13ad-7382-4e33-bd79-f1583c0d54d9.png?v=1790918743","url":"https:\/\/builtbyboostandtune.com.au\/products\/spool-cp-custom-rb30et-sohc-head-pistons-8-5-1","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}