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Manley Street Master Steel Valve Spring Retainers 23666-16 Retainers, Steel, 7 Degree, 1.550 in. Outside Diameter, .700 in. Inside Diameter, Set of 16

SKU: MAN23666-16

Valve Spring Retainers

Manley Street Master Steel Valve Spring Retainers 23666-16 Retainers, Steel, 7 Degree, 1.550 in. Outside Diameter, .700 in. Inside Diameter, Set of 16

SKU: MAN23666-16

Valve Spring Retainers
A$180.33
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

IMPORTANT NOTICE: Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Manley Performance, Manley StreetFX SKU man23666-16 SFX Item ID 4930508 Accounting SKU man-23666-16 Manufacturer SKU 23666-16 Manufacturer UPC 807298038223 Alternative References 23666-16, MAN-23666-16

Spring Retainer Set

Manley Valve Spring Retainers are engineered using finite element analysis and CNC machined to exacting tolerances to deliver unmatched strength and performance. These retainers reduce valvetrain mass, improve RPM potential, and ensure superior valve control in the most demanding racing applications.

Additional Information

Manley Spring Retainer, RET-STEEL 1.550 7 DEG.

Part Type

Engine Valve Spring Retainer Set

Features and Benefits

  • Bulk Pricing Available
  • CNC machined to exacting tolerances
  • Thru-hardened 4140 chrome moly


Data: v2 - Desc: v4.2 - Upd: 2026-10-14 02:59:56

Part Type

Engine Valve Spring Retainer Set

Data: v4.2 - Upd: 2026-09-29 08:02:34

Features

  • Bulk Pricing Available
  • CNC machined to exacting tolerances
  • Thru-hardened 4140 chrome moly

Specifications

Valve Spring Retainers, Steel, 7 Degree, 1.550 in. Outside Diameter, .700 in. Inside Diameter, Set of 16

Manley Street Master valve spring retainers are made of through-hardened 4140 chromoly steel. They are manufactured to exacting tolerances to ensure quality, consistency, and optimal performance.

Product Attributes
BrandManley
Manufacturer's Part Number23666-16
Part TypeValve Spring Retainers
Product LineManley Street Master Steel Valve Spring Retainers
UPC807298038223
Outside Diameter of Outer Spring (in.)1.550 in.
Retainer MaterialSteel
Lock Style7 degree
Valve Spring StyleStandard
Retainer StyleStandard
Number of Springs Per ValveDual
Outside Diameter of Middle Spring (in.)1.050 in.
Inside Diameter of Inner Spring (in.)0.700 in.
Locks IncludedNo
QuantitySold as a set of 16.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man23666-16
SFX Item ID 4930508
Supplier Item Code 4930508
Manufacturer SKU 23666-16
Manufacturer UPC 807298038223

Compatibility

No specific fitment data available for this part. For clarification, please contact us.

Detailed Compatibility


Application Data
Application NotesFits spring numbers MAN-22400 and 22406.
Valve Spring QuantityDual
Valve Stem Diameter (application)0.372 in.
Valve Spring QuantitySingle
Valve Stem Diameter (application)0.372 in.

This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.

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