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Ships within 48 hours · Estimated delivery Oct 4 - Oct 9
Steed Speed
Break-in oil
Precision machined using a 5-axis CNC cylinder head porting machine
Turbine Wheel Exducer (in): 1
Chevrolet Silverado 3500HD
Industrial Injection 6.7L Cummins Stage 3 Ported & Polished Cylinder Head (2007.5-2018) universal Steed SpeedIndustrial Injection 6. 7L Cummins Stage 3 Ported & Polished Cylinder Head with Fire Ring Grooves (2007. 5 2018) The Industrial Injection Stage 3 Ported & Polished Cylinder Head with Fire Ring Grooves is engineered for serious 6. 7L Cummins racers, sled pullers, and high horsepower performance builds. Featuring extensive CNC porting, oversized valves, and premium valvetrain components, this cylinder head is designed to maximize airflow, improve
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