{"product_id":"spool-rb26-rb29-stroker-kit-with-custom-cp-pistons-spool-drag-pro-i-beam-connecting-rods","title":"Spool RB26 - RB29 Stroker Kit with Custom CP Pistons — Spool Drag Pro I Beam Connecting Rods","description":"\u003ch3\u003eNissan RB25\/26 Stroker Kit:\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eSpool Billet 4340 full counter weight 79mm Stroker Crankshaft\u003c\/li\u003e\r\n    \u003cli\u003eSpool H or Drag PRO I Beam Forged Connecting Rods with ARP-2000 Bolts (ARP L19 Bolts available as an upgrade)\u003c\/li\u003e\r\n    \u003cli\u003eCP Custom Pistons (rings, pins and locks included)\u003c\/li\u003e\r\n    \u003cli\u003e9310 0.200\" Gudgeon Pins standard (0.250\" Pins available as an upgrade)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eWe can supply custom CP Pistons in any bore size or comp ratio - email for details.\u003c\/p\u003e\r\n\u003ch3\u003eFull billet 4340 Nitrided and Balanced Crankshaft\u003c\/h3\u003e\r\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The standard RB26 capacity is 2568cc\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eUsing the 79mm stroker crank, std length conrods and custom pistons, the displacement is increased as follows:\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e86.5mm bore and the 79mm stroker crank = 2750cc \/ 217cc increase\u003c\/li\u003e\r\n\u003cli\u003e87mm bore and the 79mm stroker crank = 2818cc \/ 250cc increase\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eWith the increased cubic capacity from the 79mm stroker crank, big increases in torque and low to mid range power are achievable. Boost will come on earlier in the rev range and peak power will increase.\u003c\/p\u003e\r\n\u003cp\u003eCP pistons come with rings, pins and locks. The gudgeon pins are upgraded to 9310 hardened alloy steel with 4.5mm wall thickness.\u003c\/p\u003e\r\n\r\n\u003cp\u003eNote: \u003cstrong\u003eClearancing of the cylinder block is sometimes required.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eSelected build specification\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eConnecting Rods: Spool Drag Pro I Beam Connecting Rods\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eAvailable options\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePiston Diameter: +0.5mm; +1mm; STD (Special Order)\u003c\/li\u003e\n\u003cli\u003ePin Upgrade: No Upgrade; 9310 .250\"; 300M .250\"\u003c\/li\u003e\n\u003cli\u003eConrod Bolts: ARP2000; ARP L19\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eEngine build fitment\u003c\/h2\u003e\u003cp\u003eRB26. 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 block and head configuration, finished bore size, bearing clearances, compression ratio and crank trigger compatibility. Block clearancing and rotating assembly balancing may be required.\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":"Spool","offers":[{"title":"+0.5mm \/ No Upgrade \/ ARP2000","offer_id":67601390534723,"sku":"BBT-SP-86E14B830D1C1387","price":8460.0,"currency_code":"AUD","in_stock":true},{"title":"+1mm \/ No Upgrade \/ ARP2000","offer_id":67601390567491,"sku":"BBT-SP-1140B746BC9A519A","price":8460.0,"currency_code":"AUD","in_stock":true},{"title":"STD (Special Order) \/ No Upgrade \/ ARP2000","offer_id":67601390600259,"sku":"BBT-SP-28543B94C62B9C5D","price":8460.0,"currency_code":"AUD","in_stock":true},{"title":"+0.5mm \/ 9310 .250\" \/ ARP2000","offer_id":67601390633027,"sku":"BBT-SP-485247354B55D65A","price":8680.0,"currency_code":"AUD","in_stock":true},{"title":"+1mm \/ 9310 .250\" \/ ARP2000","offer_id":67601390665795,"sku":"BBT-SP-D4C1139EB295507B","price":8680.0,"currency_code":"AUD","in_stock":true},{"title":"STD (Special Order) \/ 9310 .250\" \/ ARP2000","offer_id":67601390698563,"sku":"BBT-SP-86CE8E9DA99FA3A8","price":8680.0,"currency_code":"AUD","in_stock":true},{"title":"+0.5mm \/ 300M .250\" \/ ARP2000","offer_id":67601390731331,"sku":"BBT-SP-E824E15687C19649","price":8720.0,"currency_code":"AUD","in_stock":true},{"title":"+1mm \/ 300M .250\" \/ ARP2000","offer_id":67601390764099,"sku":"BBT-SP-8C89D2B8B1A3E1C3","price":8720.0,"currency_code":"AUD","in_stock":true},{"title":"STD (Special Order) \/ 300M .250\" \/ ARP2000","offer_id":67601390796867,"sku":"BBT-SP-D37896CF51DBEC57","price":8720.0,"currency_code":"AUD","in_stock":true},{"title":"+0.5mm \/ No Upgrade \/ ARP L19","offer_id":67601390829635,"sku":"BBT-SP-F93B04354A385E51","price":8940.0,"currency_code":"AUD","in_stock":true},{"title":"+1mm \/ No Upgrade \/ ARP L19","offer_id":67601390862403,"sku":"BBT-SP-46CF0B706138F190","price":8940.0,"currency_code":"AUD","in_stock":true},{"title":"STD (Special Order) \/ No Upgrade \/ ARP L19","offer_id":67601390895171,"sku":"BBT-SP-94FDC5702ACF35F3","price":8940.0,"currency_code":"AUD","in_stock":true},{"title":"+0.5mm \/ 9310 .250\" \/ ARP L19","offer_id":67601390927939,"sku":"BBT-SP-E0C6FA7FD6506354","price":9160.0,"currency_code":"AUD","in_stock":true},{"title":"+1mm \/ 9310 .250\" \/ ARP L19","offer_id":67601390960707,"sku":"BBT-SP-644BBB6BD2B21165","price":9160.0,"currency_code":"AUD","in_stock":true},{"title":"STD (Special Order) \/ 9310 .250\" \/ ARP L19","offer_id":67601390993475,"sku":"BBT-SP-E182C0B0BBEC0CB1","price":9160.0,"currency_code":"AUD","in_stock":true},{"title":"+0.5mm \/ 300M .250\" \/ ARP L19","offer_id":67601391026243,"sku":"BBT-SP-F5BC50D675F7487B","price":9200.0,"currency_code":"AUD","in_stock":true},{"title":"+1mm \/ 300M .250\" \/ ARP L19","offer_id":67601391059011,"sku":"BBT-SP-F37FC6FA94E4C82C","price":9200.0,"currency_code":"AUD","in_stock":true},{"title":"STD (Special Order) \/ 300M .250\" \/ ARP L19","offer_id":67601391091779,"sku":"BBT-SP-44E5B1BAA39C2642","price":9200.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/spool-136f269fce45-stroker-kits-rb28-1_3d2758ae-4155-4db5-8109-f67dc09024f8.jpg?v=1790918996","url":"https:\/\/builtbyboostandtune.com.au\/products\/spool-rb26-rb29-stroker-kit-with-custom-cp-pistons-spool-drag-pro-i-beam-connecting-rods","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}