Home » Car Enthusiast » Accelera PHI by Tire Street ExpiredAccelera PHI by Tire Street $58 Buy with a Discount! We may earn an affiliate commission if you purchase using the link. Thank you for the support! SaveSavedRemoved 0 April 18, 2024 0 Views 0 The Accelera PHI is a 400 TRW ultra-high performance (UHP) street tire that can also perform at the highest level on the track. Accelera PHI by Tire Street $58 Buy with a Discount!