GSC Power-Division Exhaust Valve 31mm (+1mm) for the Honda K-Series DOHC VTEC US$ 150.95 ★★★★★ 4.3 (22 reviews)
GSC Power-Division Exhaust Valve 30mm (STD) for the Honda K-Series DOHC VTEC US$ 124.31 ★★★★★ 5.0 (16 reviews)
GSC Power-Division Single Valve Spring and Titanium Retainer Kit for Subaru Turbo EJ Platforms US$ 143.04 ★★★★★ 4.1 (5 reviews)
GSC Power-Division +1mm Intake Valve 2014+ Subaru BRZ Toyota GT86 FA20 US$ 176.95 ★★★★★ 4.3 (19 reviews)
GSC Power-Division Super Alloy Exhaust Valve (+1mm) Head for the Subaru EJ20/EJ257 Turbo Engine US$ 156.47 ★★★★★ 4.5 (6 reviews)
GSC Power-Division Exhaust Valve Guide for Ford Mustang GT/GT500 5.4L DOHC US$ 85.66 ★★★★★ 4.7 (22 reviews)
