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Manley Race Series Toyota 4.5L 1FZ-FE Intake Valve – 39.50 mm Head Dia., 100.00 mm O/A Length, 0.2740 in. Stem

$35.30

SKU: 11188-1

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Manley Valve – Intake, Valve-R/F TOYOTA 1FZ-FE 39.5mm.

Manley’s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM

  • Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
  • Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.
  • Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
  • Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine’s specific requirements.
  • Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
SKU: 11188-1 Categories: , ,

GTIN: 00807298063188

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

Sport Compact
Head Diameter

39.50 MM
Stem Diameter

0.274, 6.96 MM
O/A Length

100.00 MM
Tip Length

3.80 MM
Margin Width

0.050 IN
Seat Width

0.075 IN
Top of Head

5 Degree Dish
Underhead Angle

Pro Flo: 10.00 DEG
Underhead Radius

3/8 IN
Valve Series

Race Series
Valve Type

Intake
Product Type

Engine Intake Valve
Valve Quantity

1
Engine Detail – Web

4.5L 1FZ-FE

Makes

Toyota

Engines

1FZFE
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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