OTTO Excavator Parts Fsr32 6He1 Valve Spring Big 8971209126 897120-9126 8-97120912-6 For Isuzu OTTO Isuzu FSR32 6HE1 Valve Spring Big 8971209126 – 100% genuine OEM excavator part, perfect fit for Isuzu 6HE1 engines. Bulk in-stock, fast global shipping. Superior elasticity & fatigue resistance vs aftermarket big springs, cuts rework & returns, boosts resale profits for wholesalers & agents.