OEM iron valves leave flow on the table and wear faster under the heat and spring pressures of a performance build. The PCE273.1074 set is machined from stainless steel alloy with undercut, swirl-polished stems to improve gas flow and hardened tips to hold up against aggressive rocker contact in Pontiac 326, 400, and 455 applications.

Speedmaster PCE273.1074 Intake Valve Features:

• Stainless steel alloy construction
• 2.110 in. valve head diameter
• 11/32 in. (0.341 in.) valve stem diameter
• 5.210 in. overall valve length
• 0.250 in. valve tip length
• Undercut stem for improved gas flow
• Swirl-polished stem finish
• Hardened stem tips
• 1-groove conventional lock style
• Sold as a set of 8