Length and Rate Tolerance will vary from spring to spring. Engine Flywheel Flywheel Ford New Holland 40, Ts, 7840 Engine Flywheel Fitment：For Predator 212cc Only Hemi Engine Go Kart Cart. 250 CHEVY Performance Flat Top piston set 5.7 rod HYPEREUTECTIC Billet Connecting Rod Aazon.co: Flywheel 10krp Fit For Predator 212cc NON Hei 224cc & New Magnetic Oil Drain Plug These springs will provide extra performance at over 7000RPM. The upgraded ARC billet aluminum flywheel is a highly recommended product for engines with valve springs capable of withstanding more than 5500 RPM and is mandatory on any engine sanctioned to a kart racing association. Package Includes:A Connecting Rod,18lb Valve Spring,Flywheel,Gasket kit,Piston Kit,Magnetic Oil Drain Sump Plug Kit Tighten them in three stages to avoid stripping. Package Includes:A Connecting Rod,18lb Valve Spring,Flywheel,Gasket kit,Piston Kit,Magnetic Oil Drain Sump Plug Kit.
