2JR milled from billet aluminum brake hats for the Wilwood 12.2" 4 piston and 6 piston brake kits (B15 Sentra ONLY). Finally you can get your super light Wilwood B15 kits with double drilled hats - both 4x114.3 and 5x114.3. Perfect choice for those who are 5 lug or are going 5 lug in the future. All 2JR Rear Big Brake Kits come in the double bolt pattern.

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