{"product_id":"street-series-4-pot-big-brake-kit-rp-x-brake-pads-obp","title":"Street Series 4 Pot Big Brake Kit (RP-X Brake Pads)","description":"\u003cp\u003eBy combining the expertise of EBC Brake \u0026amp; obp, we have developed a range or Universal\/Custom-Fit brake kits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThese kits are NOT car specific. Product image is for demonstration only, actual discs look may vary.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contents:\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eSSO-4-K11:\u003c\/strong\u003e SSO 4 Pot Caliper (Pair), RP-X Brake Pads \u0026amp; 294x24mm Grooved Discs\u003cbr\u003e\n\u003cstrong\u003eSSO-4-K12:\u003c\/strong\u003e SSO 4 Pot Caliper (Pair), RP-X Brake Pads \u0026amp; 294x24mm Slotted Discs\u003cbr\u003e\n\u003cstrong\u003eSSO-4-K13:\u003c\/strong\u003e SSO 4 Pot Caliper (Pair), RP-X Brake Pads \u0026amp; 294x24mm Blade Discs\u003cbr\u003e\n\u003cstrong\u003eSSO-4-K14:\u003c\/strong\u003e SSO 4 Pot Caliper (Pair), RP-X Brake Pads \u0026amp; 287x24mm Grooved Discs\u003cbr\u003e\n\u003cstrong\u003eSSO-4-K15:\u003c\/strong\u003e SSO 4 Pot Caliper (Pair), RP-X Brake Pads \u0026amp; 287x24mm Slotted Discs\u003cbr\u003e\n__________________________________________________________________\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eBRAKE CALIPER INFORMATION\u003cbr\u003e\n\u003c\/span\u003e\u003c\/strong\u003eThe obp light weight high performance OBP-SSO-4 Street Series 4 Pot Calipers which have been developed with 6068-T6 aluminium alloy using advanced split forging technology. Each caliper is finished with a sleek black high-temperature brake paint for durability and a premium appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003eBrake Caliper Specification:\u003cbr\u003e\n\u003c\/em\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProduced by Forging \u0026amp; CNC Machining\u003cbr\u003e\nAluminium Pistons\u003cbr\u003e\n45.34cm2 Piston Area (38x41mm)\u003cbr\u003e\n5.26kg Weight for a pair\u003cbr\u003e\n275.7x83x138mm Parameter\u003cbr\u003e\nSuits 15\u0026amp;16″ Rims\u003cbr\u003e\nSuits 286-296 x 24mm Brake Discs\u003cbr\u003e\nM10x1 Port\u003c\/p\u003e\n\u003cp\u003e________________________________________________________________\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eBRAKE ROTOR INFORMATION\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\nThe EBC GD Series and EBC USR Series brake discs are both designed to enhance braking performance, but each offers different characteristics. The GD Series features a combination of wide slots and dimples, designed to help remove gases, water, dirt and debris from the braking surface while improving heat dissipation. This makes them particularly suitable for performance-focused drivers who require consistent braking under demanding conditions. In comparison, the USR Series features a finer, more refined slot pattern that helps remove gases and maintain consistent brake pad contact while reducing braking noise. This makes the USR Series an excellent choice for drivers seeking improved braking performance without compromising everyday driving comfort.\u003c\/p\u003e\n\u003cp\u003eThe EBC BSD Sport Series offers a more advanced braking surface design, featuring distinctive curved blade slots engineered to optimise heat dissipation and improve braking consistency. Manufactured using EBC’s specialised disc alloy, the BSD Sport Series is designed to reduce thermal distortion and effectively disperse gases during demanding braking conditions. Its overlapping blade-slot pattern also helps minimise braking noise while maintaining effective brake pad contact. While the GD Series focuses on cooling and debris removal, and the USR Series prioritises smooth, quiet braking performance, the BSD Sport Series combines enhanced heat management with a distinctive performance-oriented design, making it an excellent option for drivers seeking a more specialised braking solution.\u003c\/p\u003e\n\u003cp\u003e________________________________________________________________\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eBRAKE PAD INFORMATION\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch6\u003e\u003cstrong\u003eEngineered for high-performance track driving, RP-X™ delivers a consistent friction level of 0.55 across temperatures ranging from 0 to 750°C (Ambient – 1400°F), ensuring 100% braking efficiency from cold. This makes RP-X™ an ideal choice for sprint racing and hill climb events, where instant full braking power is crucial without the need for warm-up. Additionally, its strong initial bite and powerful brake response make it well-suited for various circuit applications.\u003c\/strong\u003e\u003c\/h6\u003e\n\u003ch6\u003eEBC Brakes Racing RP-X™ delivers an exceptional 0.55 friction coefficient with 100% cold brake response from ambient up to 750°C (1400°F) – engineered perfectly for sprint racing, hill climbs, and circuit drivers who demand an immediate, powerful pedal bite without needing to warm up the pads.\u003c\/h6\u003e\n\u003ch6\u003e\u003cstrong\u003eKey Feature Benefits\u003c\/strong\u003e\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch6\u003e\n\u003ca href=\"https:\/\/www.ebcbrakes.com\/race-motorsport-articles\/ebc-brakes-and-the-revolutionary-nrs-backplate-system\/\"\u003eNUCAP® NRS®\u003c\/a\u003e equipped for perfect pad bond strength and retention.\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003eMaintains a powerful and stable 0.55 friction rating all the way from freezing cold up to a scorching 750°C (1400°F).\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003ePremium stainless steel backing plates significantly lower heat transfer to the calipers and eliminate the need for blistering paint.\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003eAchieves maximum braking effect instantly from cold, making it the premier choice for sprints, hill climbs, and immediate track performance.\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003eDelivers an intensely aggressive initial bite and firm, commanding pedal response for drivers who favor sharp deceleration.\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003eFormulated to offer excellent track pad longevity throughout heavy endurance racing and circuit abuse.\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003eDesigned strictly for competitive track and motorsport environments and is NOT \u003ca href=\"https:\/\/www.ebcbrakes.com\/race-motorsport-articles-cars\/ece-regulation-90-whats-it-all-about\/\"\u003eR90\u003c\/a\u003e approved for public road use in European markets.\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"obp","offers":[{"title":"15-16\" Rims \/ 287x24mm Slotted Discs (SSO-4-K15)","offer_id":55909182374217,"sku":"SSO-4-K15","price":915.99,"currency_code":"GBP","in_stock":true},{"title":"15-16\" Rims \/ 287x24mm Grooved Discs (SSO-4-K14)","offer_id":55909182406985,"sku":"SSO-4-K14","price":915.99,"currency_code":"GBP","in_stock":true},{"title":"15-16\" Rims \/ 294x24mm Blade Discs (SSO-4-K13)","offer_id":55909182439753,"sku":"SSO-4-K13","price":1006.99,"currency_code":"GBP","in_stock":true},{"title":"15-16\" Rims \/ 294x24mm Slotted Discs (SSO-4-K12)","offer_id":55909182472521,"sku":"SSO-4-K12","price":1030.99,"currency_code":"GBP","in_stock":true},{"title":"15-16\" Rims \/ 294x24mm Grooved Discs (SSO-4-K11)","offer_id":55909182505289,"sku":"SSO-4-K11","price":1030.99,"currency_code":"GBP","in_stock":true},{"title":"17-18\" Rims \/ 330x28mm D64 Brake Rotors (SS-4-K6)","offer_id":55909182538057,"sku":"SS-4-K6","price":955.99,"currency_code":"GBP","in_stock":true},{"title":"17-18\" Rims \/ 330x28mm D51 Brake Rotors (SS-4-K5)","offer_id":55909182570825,"sku":"SS-4-K5","price":946.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/9463\/0729\/files\/Fine-Slotted-1_9c12c7a1-0964-4f9e-b3b5-3554d861f164.jpg?v=1794405417","url":"https:\/\/rrs-store.co.uk\/products\/street-series-4-pot-big-brake-kit-rp-x-brake-pads-obp","provider":"Race Rally Supplies","version":"1.0","type":"link"}