Description
If you’re running a high-performance engine in competition or on the street, oil viscosity breakdown and thermal stress will cost you horsepower and reliability. Klotz 10W40 Synthetic Racing Estorlin maintains film strength across extreme temperature swings while its friction-reducing Estorlin additive package lets your engine deliver peak power without sacrificing longevity. API certification ensures full warranty compliance while decades of racing heritage backs every quart.
- 100% pure synthetic
- 10W40 viscosity grade
- Estorlin friction modifier
- API certified
- Exceptional thermal stability
- Advanced detergent package
- Low smoke formulation
- Superior film strength
- 1 US Quart (946ml)
- MPN: KE-940
- Drag racing approved
- Circuit track rated
- Off-road capable
- Bolt-on installation
