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Vehicle Info NeededMANLEYPART NUMBER: 660-11504-6
Severe Duty Pro Flo Intake Valves Buick V6 3.8L Turbo Stage 1 / Production Cast Iron Heads
$18361
Ships on 10/05/2026
Lowest Price GuaranteeIntake Valves
- Severe Duty Pro Flo Intake Valves
- Buick V6 3.8L Turbo Stage 1 / Production Cast Iron Heads
- 1.775'' Diameter
- 11/32'' (0.3415'') Stem Diameter
- 4.730'' Overall Length (Stock)
- Stainless Steel
- 6/pkg.
- Type: Intake Valve NK-844 Material
- Head Diameter: 1.775'
- Stem Diameter: 11/32' / 0.3415'
- Installed Height: Stock
- Overall Length: 4.730'
- Tip Length: 0.270'
- Underhead Angle / Radius: Pro-Flo 12° x 3/8'
- Margin: 0.065'
- Seat Width: 0.080'
- Top of Head: 7° Dish
- Weight / Grams: 97
Part TypeValve
BrandMANLEY
Package Height2.7
Package Width6.5
Package Length11.8
Weight1.7 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number11504-6
Package Qty1
Package TypeEA
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