GSC 4G63 Beehive Spring Kit High RPM (5041) Tilton (1) STM Aluminum 3/8" NPT

(1) STM Aluminum 3/8" NPT Weld Bung (STM-FAB-3/8-ALFB)

(6) M8 x 20 Bolts (SS-1-MNH-8-20)

50" Schedule Pipe

Magnaflow Part Number: 19187

GSC 4G63 Beehive Spring Kit High RPM (5041) Tilton (1) STM Aluminum 3/8" NPTThe GSC Power Division beehive valve spring kit for Evo and DSM includes 16 titanium retainers and 16 beehive valve springs. This kit is capable of 10,500 RPM with as much as 12. 1mm lift cams (net valve lift max due to seal to bottom retainer contact). Vehicle Fitment: Mitsubishi 4G63 1992 2006 Evolution I IX 1990 1999 Eclipse GST GSX 1990 1998 Talon TSi 1990 1994 Laser RS 1991 1992 Galant VR4 IN: 100 lbs @ 1. 539" EX: 107 lbs @ 1. 519" install