{"product_id":"supertech-sprk-m1005d-rb20","title":"Supertech SPRK-M1005D-RB20 Nissan Skyline RB20 Dual Spring kit for Nissan RB20:","description":"\u003cp\u003eSupertech Valve Spring Kit listing for part number \u003cstrong\u003eSPRK-M1005D-RB20\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Supertech\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SPRK-M1005D-RB20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescription:\u003c\/strong\u003e Nissan Skyline RB20 Dual Spring kit for Nissan RB20: 84lbs @ 39.5mm Rate:10.3lbs\/mm- \/ CB: 23.5mm \/ max lift: 16.0mm \/ SPR-M1005D + RET-NVG1015\/T1 + SEAT-RB25-E\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease verify fitment before ordering. Contact us with your year, make, model, and engine if you are unsure.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eImage is a representative product image from Supertech; actual product appearance may vary by application.\u003c\/small\u003e\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":54001361944892,"sku":"SPRK-M1005D-RB20","price":944.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/8263\/5324\/files\/dual-spring-kits_ef88c949-84e3-4db8-abae-57d9703fb508.jpg?v=1787146293","url":"https:\/\/gcmotorsports.net\/products\/supertech-sprk-m1005d-rb20","provider":"GC Motorsports ","version":"1.0","type":"link"}