Manley Valve Locks simply the best!

CYLHEAD COMPONENTS

VALVE LOCKS

ManleyValveLocks... simply the best!

Conventional vs. Bead Loc? Valve Stem Grooves

The groove in a valve stem, seemingly unimportant, in reality is vital to the success of a valve's performance. Imperfectly formed grooves, inferior or mismatched locks, and improper retainers can lead to catastrophic failure.

The so called "conventional" or square groove design has enjoyed enormous success. But the success of a "conventional" groove is dependent upon precise machining. First, the surface finish of the groove must be outstanding to guarantee against failure due to residual machining marks.

Next, the groove must have a precise .013" radius in the upper corner. Too small a radius leaves the groove subject to the dangers of a sharp fillet. Too large a radius leaves open the possibility of the groove being abraded in this area by the upper inside edge of the tang of the lock. Also, an oversized radius leaves a reduced horizontal shelf in the groove which is, or should be, the only contact point with the tang of the lock. Contact by the lock in the root of the groove is a disaster waiting to happen.

Perfectly formed "conventional" grooves with proper locks and retainers will deliver good service. However, there are sub-standard components on the market that can conspire to destroy a correctly machined groove.

The essence of the Bead Loc? groove is its simplicity and forgiveness. The groove itself is a straightforward .110" full radius. The contact points with a Bead Loc? radius lock are approximately 2:00 and 10:00 o'clock, not at the root of the groove. This system affords minimal vertical movement, especially when valve float is present, which means reduced erosion of the valve for enhanced service life.

Manley Performance supports both the "conventional" groove system and the Bead Loc? system with the most extensive line-up of the highest quality locks in the industry.

Conventional Groove

Bead Loc? Groove

54

PHONE: 732.905.3366

FAX: 732.905.3010

CYLHEAD COMPONENTS

VALVE LOCKS

7? Stamped Valve Locks

Stamped locks are recommended ONLY for mild performance engines

Part No.

Quantity

Valve Stem

Groove Type

Wgt./Pr.

13238-16 13127-16

16 pr. 16 pr.

5/16" 11/32"

Conventional Conventional

2.9 gms 3.2 gms

BULK PRICING AVAILABLE

7? Machined Valve Locks

Highest quality steel alloy Heat treated and black oxide finished

Part No. Quantity Valve Stem Groove Type

13086-32 32 pr.

.2345"

Bead Loc? Ford 5.0L "Coyote" (4 Valve)

Wgt./Pr. 1.3 gms

13088-24 24 pr. .2345"-.2355" Bead Loc? Ford Modular 4.6L (3 Valve)

1.3 gms

13089-16 16 pr. .2740"-.2755" Bead Loc? Ford Modular 4.6L/5.4L (2 Valve) 1.9 gms 13089-32 32 pr. .2740"-.2755" Bead Loc? Ford Modular 4.6L/5.4L (4 Valve) 1.9 gms

13087-16 16 pr. 5/16" (.3120") Bead Loc? Ford 6.2L "Raptor" (2 Valve)

2.2 gms

13093-16 16 pr. 5/16" (.3125") Bead Loc? Chrysler Hemi 5.7L, 6.1L and 6.4L 2.2 gms

13094-16 13098-16 13095-16

16 pr. 16 pr. 16 pr.

8mm (.3135") 8mm (.3135") 8mm (.3135")

Single Radius Chevy LS, LT1 (.050" less) Single Radius Chevy LS, LT1 (Std.) Single Radius Chevy LS, LT1 (.050" more)

2.6 gms 2.6 gms 2.6 gms

13090-16 13091-16 13092-16

16 pr. 16 pr. 16 pr.

5/16" (.3100") 11/32" 3/8"

Conventional Conventional Conventional

3.2 gms 3.0 gms 3.5 gms

BULK PRICING AVAILABLE

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CYLHEAD COMPONENTS

VALVE LOCKS

Super 7? Valve Locks

Steel Material

Heat treated and black oxide finished Highest quality steel alloy Thicker for greater strength

Part No. 13050-8 13051-8 13052-8 13080-16 13085-16 13060-8 13061-8 13062-8 13081-16 13083-16 13084-16

Quantity 8 pr. 8 pr. 8 pr. 16 pr. 16 pr. 8 pr. 8 pr. 8 pr. 16 pr. 16 pr. 16 pr.

Valve Stem .3110" .3110" .3110" .3110" .3110" .3415" .3415" .3415" .3415" .3415" .3415"

Installed Height .050" less Standard .050" more Standard .050" more .050" less Standard .050" more .050" less Standard .050" more

Groove Type Bead Loc? Bead Loc? Bead Loc? Conventional Conventional Bead Loc? Bead Loc? Bead Loc? Conventional Conventional Conventional

Wgt. / Pr. 8.2 gms 8.2 gms 8.2 gms 8.3 gms 8.2 gms 7.4 gms 7.4 gms 7.4 gms 9.9 gms 7.5 gms 7.6 gms

Super 7? Valve Locks

Titanium Material

Lightweight titanium material PVD coated locks for easier disassembly in high spring pressure/high RPM applications

Uncoated PVD Coated Titanium Titanium Quantity Valve Stem

Installed Height

Groove Type Wgt. / Pr.

13030T-8 13037T-8 13038T-8

- - - - - - - - - - - - - - - -

8 pr.

7mm /.2740" .050" less

Bead Loc?

5.6 gms

8 pr.

7mm /.2740" Standard

Bead Loc?

4.9 gms

8 pr.

7mm /.2740" .050" more Bead Loc?

4.6 gms

13050T-8 - - - - - -

8 pr.

13051T-8 13051TC-8 8 pr.

13052T-8 - - - - - -

8 pr.

.3110" .3110" .3110"

.050" less Standard .050" more

Bead Loc? Bead Loc? Bead Loc?

4.5 gms 4.5 gms 4.5 gms

13061T-8 - - - - - -

8 pr.

13062T-8 - - - - - -

8 pr.

.3415" .3415"

Standard .050" more

Bead Loc? Bead Loc?

4.1 gms 4.1 gms

13081T-16 13083T-16 13084T-16

- - - - - - - - - - - - - - - -

16 pr. 16 pr. 16 pr.

.3415" .3415" .3415"

.050" less Standard .050" more

Conventional Conventional Conventional

5.5 gms 4.2 gms 4.1 gms

Super 7? "Captiv-Loc" Valve Locks

Developed by Keith Dorton Encapsulates hard tip in titanium valve if it comes loose Use with valves with .290" to .330" tip lengths Available in steel and titanium material PVD coated locks for easier disassembly in high spring pressure/high RPM applications

Uncoated PVD Coated

Valve Installed

Groove

Steel

Titanium Titanium Quantity Stem Height

Type

Wgt. / Pr.

- - - - - 13033-8 13034-8 - - - - - 13035-8 13036-8

13039T-8 13039TC-8 8 pr. 13033T-8 13033TC-8 8 pr. 13034T-8 13034TC-8 8 pr. 13040T-8 13040TC-8 8 pr. 13035T-8 13035TC-8 8 pr. 13036T-8 13036TC-8 8 pr.

.3110" .050" less .3110" Standard .3110" .050" more .3415" .050" less .3415" Standard .3415" .050" more

Bead Loc? 5.7 gms Bead Loc? 9.5 / 5.6 gms Bead Loc? 9.4 / 5.3 gms Bead Loc? 5.0 gms Bead Loc? 8.6 / 4.9 gms Bead Loc? 8.5 / 4.7 gms

13031-16 13031T-16 - - - - - - 16 pr. .3415" Standard Conventional 9.2 / 5.3 gms 13032-16 13032T-16 - - - - - - 16 pr. .3415" .050" more Conventional 9.3 / 5.0 gms

56

PHONE: 732.905.3366

FAX: 732.905.3010

BULK PRICING AVAILABLE

BULK PRICING AVAILABLE BULK PRICING AVAILABLE

CYLHEAD COMPONENTS

VALVE LOCKS

8? Pro "900" Series

Titanium Material

0.500" Gage Diameter Lash Cap Recess PVD coated locks for easier disassembly in high spring pressure/high RPM applications

PVD Coated

Titanium

Quantity

Valve Stem

Installed Height

Groove Type Wgt. / Pr.

13980TC-8

8 pr.

7mm /.2754"

Standard

Bead Loc?

2.7

13981TC-8

8 pr.

7mm /.2754"

.050" more

Bead Loc?

2.6

13992TC-8

8 pr.

5/16" /.3100"

.050" less

.048" Radius*

3.0

13993TC-8

8 pr.

5/16" /.3100"

Standard

.048" Radius*

2.4

13994TC-8

8 pr.

5/16" /.3100"

.050" more

.048" Radius*

2.3

8? Pro "Top Loc" Series

*Not compatible with Manley Bead Loc grooves.

Titanium Material

0.500" Gage Diameter

PVD coated locks for easier disassembly in high spring pressure/high RPM applications

PVD Coated

Titanium

Quantity

Valve Stem

Installed Height

Groove Type Wgt. / Pr.

13810TC-8

8 pr.

7mm /.2754"

13811TC-8

8 pr.

5/16" /.3100"

Top Loc Top Loc

Bead Loc?

3.1

.048" Radius*

2.6

A better understanding of the 8? Pro "900" and "Top Loc" Series valve locks...

Although 8?, these are NOT compatible with traditional Super 7? retainers. These MUST be paired with compatible .500" gage retainers.

The Top Loc Series design places the locating tang at the top of the lock, resulting in all clamping BELOW the keeper groove of the valve.

Both the Top Loc and the 900 Series utilize a thinner lock dimension (compared to Super 7?) which provides better conformability to the valve stem and allows for increased retainer cross-section, a plus when designing for smaller diameter valvesprings.

The 900 Series features the same "thinner" design as the Top Loc but provides engine builders with installed height options they have enjoyed with Super 7? style locks for years.

Lastly, make sure you order valves with the correct keeper groove specification as some locks work with traditional Manley Bead Loc grooves (.055" radius) while others mate with .048"radius grooves.

Note: New part numbers are BOLD & ITALICIZED

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CYLHEAD COMPONENTS

VALVE LOCKS

Precision Crafted 10? Machined Valve Locks

Steel Material

Highest quality steel alloy Heat treated and black oxide finished

Installed

Part No. Quantity Valve Stem

Height

13171-8 13170-8 13172-8

8 pr. 7mm /.2740" .050" less 8 pr. 7mm /.2740" Standard 8 pr. 7mm /.2740" .050" more

Groove Type

Bead Loc? Bead Loc? Bead Loc?

Wgt. / Pr.

7.4 gms 6.7 gms 6.5 gms

BULK PRICING AVAILABLE

13190-8

8 pr.

.3075"

Standard

Bead Loc?

6.7 gms

13191-8

8 pr.

.3085"

Standard

Bead Loc?

6.7 gms

13193-16

16 pr.

.3085"

Standard

Conventional

6.7 gms

13150-8

8 pr.

.3110"

.050" less

13151-8

8 pr.

.3110"

Standard

13152-8

8 pr.

.3110"

.050" more

Bead Loc? Bead Loc? Bead Loc?

7.4 gms 7.0 gms 6.4 gms

13096-16 13196-16

16 pr. 16 pr.

.3110" .3110"

Standard .050" more

Conventional Conventional

6.7 gms 6.0 gms

13153-16

13160-8 13161-8 13162-8

16 pr. 8mm (.3135") Standard Single RadiusChevy LS

8 pr.

.3415"

.050" less

8 pr.

.3415"

Standard

8 pr.

.3415"

.050" more

Bead Loc? Bead Loc? Bead Loc?

6.6 gms

6.8 gms 6.3 gms 6.3 gms

P/N 13097 is NOT recessed to accept a wear cap

13097-16 13194-16 13198-16

16 pr. 16 pr. 16 pr.

.3415" .3415" .3415"

Standard Standard .050" more

Conventional Conventional Conventional

6.8 gms 6.1 gms 5.6 gms

13192-8

8 pr.

.3715"

Standard

Bead Loc?

5.0 gms

13195-16

16 pr.

.3715"

Standard

Conventional

5.0 gms

Precision Crafted 10? Machined Valve Locks

Titanium Material

Durable and lightweight PVD coated locks for easier disassembly in high spring pressure/high RPM applications

Uncoated Titanium 13171T-8

PVD Coated

Installed

Titanium Quantity Valve Stem Height

- - - - - -

8 pr. 7mm /.2740" .050" less

Groove Type Bead Loc?

Wgt. / Pr. 4.3 gms

BULK PRICING AVAILABLE

13151T-8 13152T-8 13096T-16 13196T-16

13151TC-8 13152TC-8

- - - - - - - - - - -

8 pr. 8 pr. 16 pr. 16 pr.

.3110" .3110" .3110" .3110"

Standard .050" more Standard .050" more

Bead Loc? Bead Loc? Conventional Conventional

3.9 gms 3.6 gms 3.8 gms 3.8 gms

13153T-16 - - - - - - 16 pr. 8mm (.3135") Standard Single Radius Chevy LS 3.8 gms

13161T-8 13162T-8 13194T-16 13198T-16

13161TC-8 13162TC-8 13194TC-16

- - - - - -

8 pr. 8 pr. 16 pr. 16 pr.

.3415" .3415" .3415" .3415"

Standard .050" more Standard .050" more

Bead Loc? Bead Loc? Conventional Conventional

3.6 gms 3.6 gms 3.5 gms 3.5 gms

13195T-16 - - - - - - 16 pr.

.3715"

Standard

Conventional

3.5 gms

58

PHONE: 732.905.3366

FAX: 732.905.3010

LOCCAP SYSTEM

Manley Performance LocCap System

The ULTIMATE valve lock/wear cap assembly Designed specifically for Fuel, Alcohol and Pro Mod Racers

First developed by our engineering team in the late 1990s for NASCAR applications, Manley's LocCap system is designed to retain the wear cap on the tip of the valve by employing an external bead on the wear cap that --when the system is assembled-- resides within an internal "retention channel" located on the I.D. of the valve locks. Manley's valve train components group, headed by Manley GM Michael Tokarchik, refined the original designs combining a state-of the-art steel alloy and ultra precise manufacturing techniques to achieve the goal of delivering a no compromises valve lock/wear cap assembly for the supercharged classes.

Manley's LocCap systems are available in true 7? as well as 10? and Super 7? assemblies for 3/8", 11/32" and 5/16" stem valves in both Manley Bead Loc? and conventional square groove configurations. In addition, Manley's LocCap system retrofits to competitors' "Lash Keeper" assemblies, maintaining original valve spring installed height, valve overall length, valve tip length (0.250") and retainer designs.

Both the LocCap valve locks and wear caps are precision machined using Manley's TensileMax UHSS (ultra high strength steel). The wear caps are thru-hardened to HRc 55 (harder than typical tool steel) to minimize wear due to aggressive rocker contact. Manley's proprietary heat treatment processes minimize distortion, thereby improving the fit of the wear cap and valve locks to the valve stem.

CYLHEAD COMPONENTS

ValveLocks

LocCaps

7? Square

10? Square Super 7?

Valve Stem Size 7? Bead Loc Groove 10? Bead Loc Groove Bead Loc

5/16" (.3100") 5/16" (.3110") 11/32" (.3415") 3/8" (.3715")

- - - - - - - - - - 13361-8 13392-8

- - - - - - - - - - 13394-8 13395-8

Note: -8 indicates one set of 8 pairs.

13441-8 - - - - - 13461-8 13492-8

- - - - - - - - - - 13494-8 13495-8

- - - - - 13551-8 13561-8 - - - - - -

Valve Stem Size

Part No.

Weight

5/16" (.3100") 5/16" (.3110") 11/32" (.3415") 3/8" (.3715")

42441-8 42439-8 42404-8 42408-8

4.4 gms 4.3 gms 4.1 gms 3.4 gms

Note: LocCap thickness above valve tip is .106"

Valve Lock Weights (per pair): 13361 (5.0 gms), 13392 (4.4 gms), 13394 (5.0 gms), 13395 (4.2 gms), 13441 (6.9 gms), 13461 (6.5 gms), 13492 (5.7 gms), 13494 (6.4 gms), 13495 (5.6 gms), 13551 (10.1 gms), 13561 (9.3 gms)

TitaniumRetainers

Valve Spring

Valve Spring

Type

Part No.

7? +.100" Part No.

7? +.100" 10? Tensile Max Std.

Part No. Part No.

10? +.100" Part No.

10? +.100"

10?

Tensile Max +.170" Super 7?

Part No. Part No. Part No.

Steel Double Springs

221420, 1455, 1456, 23675-16 23675TM-16 23684-16

1457, 1460, 1461

23677-16*

Steel Triple Springs

221447, 1448, 1449, 23673-16

------ ------

1450

Titanium Double

- - - - - -

------ ------

Spring Note: -16 indicates 16 pieces.

23676-16 23679-16* 23653-16 23753-16* 23668-16*

23676TM-16 - - - - - - - - - - -

23683-16* 23701-16* - - - - - - 23708L-16* ------ ------

* Lightweight design high strength Ti-17 titanium material

See pages 82-86 for retainer gram weights

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WEAR CAPS

Inserted Tips

Wear resistant thru-hardened tool steel alloy Ideal titanium valve tip protection

Part No.

Quantity

Material

42311-8 42411-8 42511-8 42105-8 42405-8 42505-8

8 pcs. 8 pcs. 8 pcs. 8 pcs. 8 pcs. 8 pcs.

Tool Steel Tool Steel Tool Steel Tool Steel Tool Steel Tool Steel

Description

Fits .3085"-.3130" valves Fits .3085"-.3130" valves Fits .3085"-.3130" valves Fits 11/32" valves Fits 11/32" valves Fits 11/32" valves

Knurl Diameter

.183" .188" .193" .193" .203" .208"

Post Length

.120" .120" .120" .120" .120" .120"

O.D.

.319" .319" .319" .348" .348" .348"

CYLHEAD COMPONENTS

Wear Caps

Thru-hardened 4140 alloy steel Special heat treatment to HRc 50-54 Non rotating caps afford less valve tip erosion

Part No.

42263-8

42254-8 42264-8

42100-8 42118-8

42110-8

42101-16

42139-8 42300-8

42125-8

42104-16 42301-8

42108-16

Quantity

8 pcs.

8 pcs. 8 pcs.

8 pcs. 8 pcs.

8 pcs.

16 pcs.

8 pcs. 8 pcs.

8 pcs.

16 pcs. 8 pcs.

16 pcs.

.Description

Minimum Tip

Type

.2165" stem valves (5.5mm) .095"

Standard

.2360" stem valves (6mm) .2360" stem valves (6mm)

.275" .095"

Non Rotating Standard

.2740" stem valves (7mm) .2740" stem valves (7mm)

.250" .290"

Standard Non Rotating

.2754" stem valves (7mm)

.250"

Standard

.3085" stem valves (5/16")

.250"

Standard

.3110" stem valves (5/16") .3110" stem valves (5/16")

.250" .250"

Standard Non Rotating

.3130" stem valves (8mm)

.130"

Standard

.3415" stem valves (11/32") .3415" stem valves (11/32")

.250" .250"

Standard Non Rotating

.3715" stem valves (3/8")

.220"

Standard

A

.090"

.235" .090"

.225" .270"

.225"

.225"

.210" .210"

.170"

.210" .210"

.175"

B

.040"

.060" .040"

.085" .080"

.085"

.080"

.080" .080"

.080"

.080" .080"

.080"

C

.300"

.385" .320"

.425" .385"

.425"

.425"

.425" .425"

.425"

.455" .455"

.485"

Weight

0.6 gms

2.5 gms 0.6 gms

2.9 gms 2.5 gms

2.9 gms

2.6 gms

2.4 gms 2.3 gms

2.1 gms

2.7 gms 2.6 gms

2.7 gms

TensileMax Wear Caps

Precision machined from TensileMax UHSS (Ultra HighStrength Steel) Thru-hardened to HRc59-61 to minimize wear due to aggressive rocker contact Proprietary heat treatment processes minimize distortion

Part No.

Quantity .Description

Minimum Tip

Type

A

B

C

Weight

42100TM-8 8 pcs. .2740" stem valves (7mm)

.250"

Standard

.225"

.085"

.425" 3.0 gms

42139TM-8 8 pcs. .3110" stem valves (5/16")

.250"

Standard

.210"

.080"

.425" 2.6 gms

42104TM-16 16 pcs. .3415" stem valves (11/32")

Note: New part numbers are BOLD & ITALICIZED

60

PHONE: 732.905.3366

.250"

Standard

FAX: 732.905.3010

.210"

.080"

.455" 2.9 gms

CYLHEAD COMPONENTS

VALVE STEM SEALS, GUIDES & CUTTERS

Viton Material Valve Stem Seals

A necessity when using NexTek? triple valve springs. Special design allows clearance inside small I.D. springs.

Installed

Part No. Quantity

Description Guide O.D. Seal O.D

Use Cutter No.

24041-8 24040-8 24042-8 24047-8 24043-8 24045-8 24044-8 24046-8

8 pcs. 8 pcs. 8 pcs. 8 pcs. 8 pcs. 8 pcs. 8 pcs. 8 pcs.

.274" / 7mm valves 5/16" / 8mm valves 5/16" / 8mm valves 5/16" / 8mm valves

11/32" valves 11/32" valves 3/8" valves 3/8" valves

.431" .420" .500" .530" .500" .530" .500" .530"

.566" .566" .608" .677" .620" .674" .623" .677"

41410 41510 41610 41710 41611 41711 41612 41712

All Teflon Valve Stem Seals

Spring loaded wiper to remove excess oil

Part No.

Quantity

Description

Guide O.D.

Use Cutter No

24029-16 24034-16 24037-16 24035-16 24039-16 24036-16

16 pcs. 16 pcs. 16 pcs. 16 pcs. 16 pcs. 16 pcs.

5/16" valves 5/16" valves 11/32" valves 11/32" valves 3/8" valves 3/8" valves

.500" .530" .500" .530" .500" .530"

41610 41710 41611 41711 41612 41712

Valve Guide Seal Cutters

Carbide tipped cutters Due to the severe use to which these cutters are subjected, we are not able to warranty damaged goods

Part No. Quantity

Pilot Size

Seal No.

Guide O.D.

41410 41510 41610 41710 41611 41711 41612 41712

1

.274" / 7mm

24041

.431"

1

5/16" / 8mm valves

24040

.420"

1

5/16" / 8mm valves 24029 / 24042

.500"

1

5/16" / 8mm valves 24034 / 24047

.530"

1

11/32"

24037 / 24043

.500"

1

11/32"

24035 / 24045

.530"

1

3/8"

24039 / 24044

.500"

1

3/8"

24036 / 24046

.530"

Valve Guide Seal Cutter Pilot

For use with any spring seat or seal cutter

Part No.

Quantity

Description

41274 41516 41132 41138

1

7mm cutter pilot

1

5/16" cutter pilot

1

11/32" cutter pilot

1

3/8" cutter pilot

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