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Manley Chevy Small Block Forged Crankshaft – 3.875 in. Stroke

Name: Shop High Performance Chevrolet Small Block Crankshaft 3.875 IN Stroke 4340 190480NB From Manley Today
SKU: 190480NB
Price: 890.93 USD
Availability: InStock

Your Price: $890.93

SKU: 190480NB

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Manley Crankshaft, CRANK-4340 FORGE 3.875 STROKE.

Our “Pro Series” 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

Lightweight Design, 4340 Non-Twist Forging: Our crankshafts feature a lightweight 4340 non-twist forging, ensuring durability and performance.
Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts’ strength and longevity.
Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.
Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.

SKU: 190480NB Categories: Cranks & Kits, Crankshafts

GTIN: 00807298114682

Specifications
Applications
Compression Calculator

Product Market	Domestic
Weight	50.000 LBS
Product Type	Engine Crankshaft
Engine Stroke	3.875 IN
Minimum Rod Length	6.000 IN
Main Journal Diameter	2.450 IN
Rod Journal Diameter	2.100 IN
Bob Weight	Unbalanced
Crankshaft Material	4340
Lightened	Yes
Reluctor Ring Included	No
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

Manley Chevy Small Block Forged Crankshaft – 3.875 in. Stroke

GTIN: 00807298114682

Makes

Engines

Customer Service

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Manley Chevy Small Block Forged Crankshaft – 3.875 in. Stroke

GTIN: 00807298114682

Makes

Engines

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