Home / Shop / Manley TensileMax Steel Valve Spring Retainers 23705TM-16 Retainers, Steel, 7 Degree Lock, 1.570 in. Outside Diameter, .745 in. Inside Diameter, Set of 16

Manley TensileMax Steel Valve Spring Retainers 23705TM-16 Retainers, Steel, 7 Degree Lock, 1.570 in. Outside Diameter, .745 in. Inside Diameter, Set of 16

SKU: MAN23705TM-16

Valve Spring Retainers

Manley Performance

Manley TensileMax Steel Valve Spring Retainers 23705TM-16 Retainers, Steel, 7 Degree Lock, 1.570 in. Outside Diameter, .745 in. Inside Diameter, Set of 16

SKU: MAN23705TM-16

Valve Spring Retainers

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.

We accept

Description

Manley TensileMax Steel Retainers combine exceptional strength, fatigue resistance, and wear durability in a lightweight design that approaches titanium retainer weights. Manufactured from a proprietary TensileMax alloy, precision CNC machined, heat treated, and finished with Manley exclusive impingement process, they deliver reliable high-RPM valvetrain performance for demanding racing and performance engine applications.

Part Type

Engine Valve Spring Retainer Set

Data: v4.2 - Upd: 2026-10-14 10:07:19

Features

Designed to be as light as standard titanium retainers and very close in weight to lightweight titanium versions (within 2-4 grams)
Manufactured from our incredibly tough TensileMax alloy
Optimum balance between ultimate strength, fatigue strength, hardness, and ductility
Specially heat treated to provide a hardness of Rc 52-54 and prevent retainer wear
Unique impingement process that improves fatigue strength and promotes better oiling between the spring and retainer

Specifications

Product Attributes - Brand: Manley
Product Attributes - Manufacturer's Part Number: 23705TM-16
Product Attributes - Part Type: Valve Spring Retainers
Product Attributes - Product Line: Manley TensileMax Steel Valve Spring Retainers
Product Attributes - UPC: 807298039237
Product Attributes - Outside Diameter of Outer Spring (in.): 1.570 in.
Product Attributes - Retainer Material: Steel
Product Attributes - Lock Style: 7 degree
Product Attributes - Valve Spring Style: Standard
Product Attributes - Retainer Style: Standard
Product Attributes - Number of Springs Per Valve: Dual
Product Attributes - Outside Diameter of Middle Spring (in.): 1.140 in.
Product Attributes - Inside Diameter of Inner Spring (in.): 0.745 in.
Product Attributes - Locks Included: No
Product Attributes - Quantity: Sold as a set of 16.
Product Attributes - Notes: Fits Manley 221440P valve spring.

Reference Information

Brand Name/s	Manley Performance
StreetFX SKU	man23705TM-16
SFX Item ID	4931892
Supplier Item Code	4931892
Manufacturer SKU	23705TM-16
Manufacturer UPC	807298039237