Synchrotech 1-2 K Series Carbon Synchro Sleeve Set Gears It features a closed-tip design

It features a closed-tip design that lasts longer than the previous generation’s perforated tip design and the tip is smaller for less intrusion—and less restriction

and the long spark duration necessary for vehicles running forced induction and nitrous

IS114-0775H - Honda K24 ('12-'15) Civic SI Fuel Injector Clinic Injector Set: 4x775cc Saturated / High Impedance Ball & Seat Injectors

IS165-0650H - Vw & Audi '88-'98 64mm Fuel Injector Clinic Injector Set: 4x650cc Saturated / High Impedance Ball & Seat Injectors

Synchrotech 1-2 K Series Carbon Synchro Sleeve Set Gears It features a closed-tip designSynchrotech Pro Series Carbon Sleeve Set Includes: 1st 2nd Hardened Sleeve, Springs, and Pro Series Carbon Synchros Fitting: 2002 2015 RSX TSX ITR CTR Civic Si K20 K24 EP3 FN2 FD2