This pair of heads are machined for O-rings and comes with new valves, springs, and seals - all backed by a 1-year unlimited mileage warranty. Whether you're looking to boost performance or simply achieve peace of mind, the Powerstroke Products o-ringed heads are your answer.
• Improved performance and durability
• Cast from a new, higher quality alloy
• 100% inspected for quality control
• Installed with brand new valves, seals, and springs
Note: We recommend flushing both cylinder heads prior to installation.
