4% GSC P-D FA20 BRZ/FRS/FT86 Intake Valve Guide Oversized +.001in OD - Single GSC Power Division Sale! from 645 671 /per Qty. Add to Cart This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. GSC P-D FA20 BRZ/FRS/FT86 Intake Valve Guide Oversized +.001in OD - Single