Product Summary

.342" Valve Stem Diameter, 7 Degree Lock Style, Steel

  • These locks reduce installed height by .060
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Key Specs

MFG. Part #915760
Material TypeSteel
Groove Count1
Overall Diameter.3437"
ColorNatural
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Need To Know

Quick and Easy Returns

Return Policy

Speedway Motors 915760 Details

These 11/32" steel valve locks allow you to decrease the valve spring installed height without machining or buying new retainers.  For 11/32" stems and 7 degree retainers.  Set of 32.

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Speedway Motors 915760 Specifications

KEY SPECS
MFG. Part #915760
BrandSpeedway Motors
Material TypeSteel
Groove Count1
Overall Diameter.3437"
ColorNatural
FinishNatural
GENERAL
Valve Stem Diameter.342"
Lock Style7 Degree

Ratings & Reviews

5

9 Reviews

Overall Assessment

Customers highly appreciate the product for its quality, practicality, and features. They applaud the precision it offers in adjusting installed spring height, fitting perfectly for complex operations like modifying sbc or Dart heads. Users praised the product's usage in setting up spring pressure, highlighting that it assisted significantly at a very affordable cost. Users express satisfaction with the product's exactness, repeatedly mentioning plans for subsequent purchase due to its perfect function and reliability in comparison to other market options.

5

9 reviews

5

9

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I use these locks often.

5.0

9 months ago

Kane

Citra, FL

Verified

A great option when setting up cylinder heads. Great quality and accurate manufacturing.

Would Recommend

Valve spring 'Install height' adjusting locks

5.0

4 years ago

Chalkster

Hampshire. UK 🇬🇧

Verified

Delighted with the service provided by Speedway Motors. A great source of spares for buyers located outside of the USA.

Would Recommend

I would buy again

5.0

5 years ago

Brent

West Sacramento

Verified

Used on sbc heads. I was unable to find the correct diameter shims for my heads, these helped me correct the installed spring height where it needed to be. Thanks speedway!!!

Parts are exactly what I needed..came in on time. Perfect

5.0

6 years ago

N/A

Benson n.c

Verified

All good. Parts are perfect

Great product at a great price

5.0

6 years ago

The 413

Quebeck, TN

Verified

Used these on my Dart heads

Yes

5.0

8 years ago

Tim

Dushore pa

Verified

Work great

Would Recommend

This part helped me out a lot and very affordable

5.0

9 years ago

Bob

Bellfourche South Dakota

Verified

These valve keepers got me the correct installed height. And I can't say anything bad about the parts.I'm glad I bought them

Would Recommend

Perfect

5.0

9 years ago

Allout

BC Canada

Verified

Worked perfect to help setup spring pressure for my flathead.

I would/will be buying this product agai

5.0

14 years ago

DKS Racing

Louisiana

Verified

good product,as advertised,quick shipping,good customer service..........

Would Recommend

Showing 9 of 9 reviews

Questions & Answers

1 Question • 1 Answer

How much do they decrease spring height .010 .020 or More ?

by Kg

• 9 years ago

1 answer

1 of 1 questions shown

Customer Impersonation Script