Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8)

12358-8

Today, Manley Performance continues to re-define itself in a high performance aftermarket industry that is constantly evolving. We've developed new products for growing markets such as sport compact, Ford modular and Chevy LS; as well as maintained our leadership role with the traditional V-8 engine business.

Features:

• XH-432 XtremeAlloy Material.
• Swirl Polished and Machined.
• Chrome Stems and Hard Tips.
• O.E. Style Radius Keeper Grooves.

Specifications:

• Type: Intake
• Head Diameter: 1.930
• Stem Diameter: .3133
• Installed Height: Stock
• O/A Length: 5.232
• Tip Length: .160
• Underhead Angle/Radius: Pro Flo 12° x 3/8"
• Margin: .050
• Seat Width: .100
• Top of Head: 7° Dish

Fitment:

• Chevrolet 5.3L LS | L83 2014 Up Small Block

Note:

• Valves 12356 and 12358 have a back cut of .050" x 30°
• Sold as a Set of 8