{"product_id":"strange-strange-evolution-2-ball-bearing-ddm-front-brake-kit-4-1-2-bc-strange-aluminum-struts-a939bea272","title":"Strange Evolution 2 Ball Bearing DDM Front Brake Kit | For Strange Aluminum Struts – 4 1\/2″ B.C. | Evolution S Rotors, 2 Piston EVO 2 Calipers \u0026 DTC-30 Pads","description":"\u003cp\u003eEvolution 2 ball bearing DDM front brake kit 4 1\/2″ BC for 1987-present Strange Aluminum Struts\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e \u003cb\u003eDesigned Specifically For Drag Racing\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003eEvolution Front Brake Kit\u003c\/b\u003e\u003cbr\u003e 1987-present Strange Aluminum Struts\u003cbr\u003e With 4 1\/2″ BC Wheels\u003cbr\u003e 19.65 lbs\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBillet Aluminum Hubs\u003c\/b\u003e\u003cbr\u003e • Strong lightweight aerospace material\u003cbr\u003e • Profile milling results in extensive weight reduction\u003cbr\u003e • Low friction ball bearings\u003cbr\u003e • Factory greased for optimal metering\u003cbr\u003e • Low friction seals \u0026amp; stainless seal rings\u003cbr\u003e • Options include ceramic ball bearings \u0026amp; high resolution wheel speed sensor kit\u003c\/p\u003e \u003cp\u003e\u003cb\u003eEvolution S 11″ Dynamic Drive Mount (DDM) Stainless Steel Rotors\u003c\/b\u003e – B2788AS\u003cbr\u003e • DDM system secures the rotor and allows for rotor thermal expansion – drastically reducing warping, coning, and cracking which are common with bolt retention designs\u003cbr\u003e • DDM billet aluminum hat design is secured by an internal Spirolox, eliminating heavy bolts and hardware- further reducing rotating weight\u003cbr\u003e • Evolution S rotors are machined and fully ground from Stainless Steel that exhibits 48% greater yield strength at 1,000° F compared to carbon steel- further maintaining rotor integrity\u003cbr\u003e • Stainless steel Evolution S rotors are highly resistant to heat and corrosion\u003cbr\u003e • Unique Aero Slot design reduces rotating weight and promotes even heat dissipation- compared to common round drilled holes\u003cbr\u003e • Scalloped design further reduces rotating weight\u003cbr\u003e • 11″ O.D. \/ .280″ thickness (Discard at .260″)\u003c\/p\u003e \u003cp\u003e\u003cb\u003eTwo Piston Billet Evolution 2 Caliper\u003c\/b\u003e – B2570\u003cbr\u003e • Compliance decreases 5% vs Pro Series\u003cbr\u003e • Computer finite element analysis (FEA) optimized and field-tested caliper\u003cbr\u003e • Evolution 2 design improves piston retraction, pedal feel, and stiffness\u003cbr\u003e • High retraction piston and O-ring design to eliminate drag during acceleration\u003cbr\u003e • Results in improved pad wear and exemplary braking efficiency\u003cbr\u003e • Stainless steel pistons mitigate heat transfer to brake fluid\u003cbr\u003e • Reverse dish pressure vessel piston maximizes stiffness\u003cbr\u003e • Pistons are 1.750″ for increased clamping force\u003c\/p\u003e \u003cp\u003e\u003cb\u003eAluminum Caliper Mounts\u003c\/b\u003e\u003cbr\u003e • Billet one piece design\u003cbr\u003e • Eliminates bolts, spacers \u0026amp; nuts that require periodic maintenance\u003cbr\u003e • Drilled \u0026amp; tapped to accept optional Hall effect sensor\u003c\/p\u003e \u003cp\u003e\u003cb\u003eDTC-30 Semi Metallic Brake Pads\u003c\/b\u003e – B2510\u003cbr\u003e • Best compound suited for front application\u003cbr\u003e • Excellent cold holding capabilities\u003c\/p\u003e \u003cp\u003e\u003cb\u003eScrew-in Wheel Studs\u003c\/b\u003e\u003cbr\u003e • Tapered allen 1\/2″-20 x 2 1\/2″\u003cbr\u003e • Standard allen in 3″ available on request\u003c\/p\u003e \u003cp\u003eIncludes All Necessary Mounting Hardware\u003c\/p\u003e \u003cp\u003e\u003cb\u003eOptions\u003c\/b\u003e\u003cbr\u003e Ceramic ball bearings – OPRBB01\u003cbr\u003e Wheel speed sensor kit – B4200-K4\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBrake Hoses and Lines Are Not Included\u003c\/b\u003e\u003cbr\u003e Calipers are tapped 1\/8″ NPT and supplied with a straight male 3 AN fitting\u003c\/p\u003e \u003cp\u003eUse Teflon® tape or liquid on the pipe threads of the fitting\u003cbr\u003e Leave a few threads from the tip uncoated\u003cbr\u003e This will avoid depositing material inside the caliper\u003cbr\u003e Torque fitting to 25 ft lbs\u003cbr\u003e  \u003c\/p\u003e","brand":"Strange Engineering","offers":[{"title":"Default Title","offer_id":67678711152940,"sku":"B4753WCE","price":1395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/6429\/2652\/files\/EVO2-BallBearing-Front_5f6d210e-938c-4031-ad94-93e50d6357e3.jpg?v=1793043538","url":"https:\/\/www.lee-motorsports.com\/products\/strange-strange-evolution-2-ball-bearing-ddm-front-brake-kit-4-1-2-bc-strange-aluminum-struts-a939bea272","provider":"Lee Motorsports","version":"1.0","type":"link"}