Supertech Performance SPRK-TS1012/GTR Dual Valve spring kit: int 60 @36mm exh 80 @34.2mm +SPR-TS1012 + RET-TS5.5/T8(int)+RET-TS5.5/T9(exh)+SEAT-TS/1GTR
Supertech Performance SPRK-TS1012/GTR Dual Valve spring kit: int 60 @36mm exh 80 @34.2mm +SPR-TS1012 + RET-TS5.5/T8(int)+RET-TS5.5/T9(exh)+SEAT-TS/1GTRSupertech valve springs are made with premium Super Clean Chrome silicon Vanadium Steel alloy for the highest performance and durability at high rpm's.Computer designed to ensure that wire stress levels do not overpass the limits of stre...READ MORE
£550.45