Upgrade your 3.9 Cummins 4BT with the Mahle HS4961-3 +.020" Thicker Head Set for superior performance. This OE replacement head set surpasses OE specs, offering excellent reliability, enhanced sealing, and effective leak prevention. Its robust construction ensures durability under various conditions, maximizing horsepower while maintaining engine integrity. Trust Mahle's precision engineering for dependable operation and top-notch protection for your engine.
- Enhances engine performance and durability
- Surpasses OE specifications for reliability
- Superior sealing and leak prevention
- Built for robust, long-lasting performance
