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Manley Street Series Chevy Small Block Exhaust Valve – 1.625 in. Head Dia., 5.065 in. O/A Length, 0.3415 in. Stem

$16.88

SKU: 10797-1

Available on backorder

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Manley Valve – Exhaust, Valve-SBC S/F 1.625,+.100.

Manley’s Street Series valves are the ideal choice for enthusiasts looking to boost the performance of a stock or mildly modified street engine.

  • High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.
  • Chrome Stems and Hard Tips: These valves feature chrome stems and hard tips for increased durability and wear resistance, making them suitable for demanding applications.
  • Swirl Polished and Fully Machined: The under head areas are meticulously swirl polished, and the combustion faces are fully machined, enhancing airflow and combustion efficiency.
  • Variety of Shapes: Choose from the Street Master (Straight Stem) or Street Flo shapes, allowing you to customize your valve selection based on your specific needs.
SKU: 10797-1 Categories: , ,

GTIN: 00807298077031

Weight 0.500 lbs
Dimensions 7.000 × 2.500 × 2.500 in
Product Market

Domestic
Head Diameter

1.625 IN
Stem Diameter

0.3415 IN
O/A Length

5.065 IN
Tip Length

0.290 IN
Margin Width

0.090 IN
Seat Width

0.100 IN
Top of Head

9 Degree Dish
Underhead Angle

Pro Flo: 15.00 DEG
Underhead Radius

1/2 IN
Valve Series

Street Series
Valve Sub-Series

Street Flo
Product Type

Engine Exhaust Valve
Valve Quantity

1
Engine Detail – Web

Small Block

Makes

Chevrolet

Engines

Small Block
Instructions: Enter a value in the un-shaded boxes below as they pertain to your engine.
Note: For pistons BELOW the block @ TDC – value in box must be a POSITIVE number (.000)
Note: For pistons ABOVE the block @ TDC – value in box must be a NEGATIVE number (-.000)
Note: For a DISH piston – value in box must be a POSITIVE number (0.0)
Note: For a DOME piston – value in box must be a NEGATIVE number (-0.0)
Note: Manipulate the DOME/DISH & PISTON to DECK volumes to get the ratio you want.
Enter the number of cylinders of your engine
Bore
Finished bore of your engine
Stroke
Stroke of your engines crankshaft
Rod Length
Ctr. to Ctr. length of your connecting rods
Gasket Bore
Head Gasket bore diameter
Comp. Gasket
Compressed Head Gasket thickness
Block Deck Height
Center of main bearing bore to top of block
Top Ring Down
Top of 1st ring to top of pistons(FLAT)
Chamber Volume
Cylinder Head chamber volume in CC’s
Dome/Dish Volume
DOME (-) or DISH (+) vol. (theoretical) in CC’s
Piston to Deck
Top of BLOCK to top of piston (FLAT) @ TDC
Click “Calculate” for dimension results.
Total Volume
 
Cylinder Volume
Total cylinder volume in CC’s =
Clearance Volume
All effective vol. above block deck @ TDC in CC’s =
Gasket Volume
Volume of your head gasket in CC’s =
Top Ring Volume
Total volume above the top ring @ TDC in CC’s =
Deck Volume
Volume of area above the pistons @ TDC in CC’s =
Piston Top Land
Piston top land diameter for volume calculations =
1/2 Stroke
1/2 stroke of your engine’s crankshaft in inches =
Compression Ht.
Ctr. of piston pin to top of piston (FLAT) in inches =
Cubic Inches
Cubic inch displacement of your engine =
For the given dimensions, your compression ratio

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