Suspension
Honda swaps

3 of 3 compatibility entries for Honda.

RD1 → EK CRV 5-Stud Conversion CR-V RD1 (1st gen) 1997-2001 → Civic EK (6th gen) 1996-2000 Popular upgrade for EK Civic owners wanting to run wider wheels. CRV hubs provide 5x114.3 bolt pattern instead of 4x100. Fits VERIFIED ✓ MODS REQ.
EM1 → EK Civic Si 26mm front sway bar with Si lower control arms Civic Si (EM1) 1999-2000 → Civic (EK) 1996-2000 Yes — the 26mm front sway bar from a 1999–2000 Honda Civic Si (EM1) fits other 1996–2000 Honda Civics (EK) with the Si front lower control arms and Si shock forks, or on EX/HX arms with Integra Type R endlinks. The 26mm bar is the same size as the 1997–2000 Civic Type R bar and larger than the 22mm EX/HX bar. The EK9.org sway bar guide lists both the arm route and the endlink route. A Honda-Tech owner reports running the Si bar on LX/EX arms with home-made endlinks for about two years. Fits VERIFIED ✓ MODS REQ.
AP2 → AP1 OEM shocks, springs and sway bars (AP2 suspension on AP1) S2000 (AP2) 2006-2007 → S2000 (AP1) 2000-2003 Yes — the OEM shocks, springs and sway bars from a 2006-2007 Honda S2000 (AP2) fit a 2000-2003 Honda S2000 (AP1) and bolt up without modification. In an s2ki 'OEM suspension mix and match' thread, twohoos says everything will fit and posts spring rates by year. They show the later cars are stiffer at the front and softer at the rear (262/269 lb/in against 219/291 for 2000-2001). In other s2ki threads members confirm AP1 and AP2 shocks bolt on. They note that damping and spring rates differ year to year. twohoos adds that tires and rear geometry made the larger AP1-to-AP2 handling difference, and the spring and bar changes were mostly tweaks. Fits VERIFIED ✓