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Vehicle Info NeededMANLEYPART NUMBER: 660-12342-1
Severe Duty Intake Valve Small Block Chevy
$3893
Ships on 09/08/2026
Lowest Price GuaranteeIntake Valves1.720'' Valve Diameter 11/32'' Valve Stem Diameter
- Severe Duty Intake Valve
- Small Block Chevy
- 1.720'' Diameter
- 11/32'' (0.3415'') Stem Diameter
- 4.911'' Overall Length (Stock)
- Stainless Steel
- Super Stock Legal Replacement
- 1/pkg.
- Type: Intake Valve NK-844 Material
- Head Diameter: 1.720'
- Stem Diameter: 11/32' / 0.3415'
- Installed Height: .100' Longer
- Overall Length: 5.011'
- Tip Length: 0.250'
- Underhead Angle / Radius: 10° x 3/8'
- Margin: 0.050'
- Seat Width: 0.080'
- Top of Head: 5° Dish
- Weight / Grams: 97
Part TypeValve
BrandMANLEY
Package Height2.0
Package Width2.0
Package Length5.1
Weight0.25 PG
Part CategoryPerformance Parts
Approximate Weight (G)97
Valve Tip Length (In)0.250 in.
Valve Head Style5 degree dish
Valve Stem Diameter (In)0.3415 in.
Valve Head Diameter (In)0.250 in.
QuantitySold individually
Part FitmentSemi Universal
Swirl-PolishedYes
Overall Valve Length (In)4.911 in.
Valve MaterialNK-844 stainless steel
Vendor Part Number12342-1
Package Qty1
Package TypeEA
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