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Speedway SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 3/8 Stud

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Speedway SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 3/8 Stud
Speedway SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 3/8 Stud
Speedway SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 3/8 Stud

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Please note the following about this product:

  • This item is sold as a set.

Details

Reviews (3)

Q & A (3)

What's in the Box

Info

Probably one of the best kept secrets...the best engine builders use break-in roller rocker arms. With the extreme valve spring pressures racers use today, the initial run time can kill a camshaft in the first minute of running.

The big time engine builders use these 1.3:1 ratio rockers to allow a run-in time for the camshaft, then the 1.3:1 rockers are removed and the normal rockers are reinstalled and the engine is ready to race or dyno.

Polylocks are included.

Customer Reviews

Rated 3.7 out of 5 by 3 reviewers.
RATING BREAKDOWN
3 reviews
5 Stars
2
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
1
RECOMMEND THIS PRODUCT:

zman
Verified Purchaser
Verified Reviewer
Lincoln NE

Worked great,saved time on cam break in

March 01, 2016
I bought these to break in cams without having to install weak valve springs. Installation was easy but these 1.3 full roller rockers will NOT fit under stock valve covers. No problem because Speedway sells tall chrome valve covers for $23. Worked just like they should and cam broke in without a flat lobe
Pros:
  • Good Quality
Cons:
  • Can't Use Stock Valve Cov
Yes, I recommend this product.
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meanoldman
Verified Purchaser
honolulu hawaii

no mention of modifing rod guides to install rockers

December 30, 2015
bought these rockers instead of changing the valve springs for breaking -in the camshaft. the rockers gave the pushrods inter ference with the head guides,so now the rockers were useless to me. there were no notes on the ad stating that modifications were needed.
Pros:
  • Nice Quality Rockers
Cons:
  • Can't Use Why Buy
No, I would not recommend this product.
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Merchant Response:

Thanks for your feedback! We appreciate hearing from you. Your review has been passed along to our QC team to record and inspect the issue with this product. We are really sorry for your frustration and are always happy to help.
Burny
Aurora Colorado

The right stuff.

October 21, 2015
I couldn't have done it without these. Had a tough time getting the engine to be stabilized during break in. If it wasn't for these rockers and break in oil. I might have wiped my cam out. I these rockers rock!
Yes, I recommend this product.
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Page 1 of 1

Product Q&A

3 questions : 3 answers

1 answers

do these come with a warranty of any kind

shark773
Corpus Christi, TX, USA
July 29, 2014

do these come with a warranty of any kind

Answers

July 30, 2014
Travisp
These rocker arms are a great product. We haven't seen any issues with these but if you were to have any problems you can call our customer service team and they would be more than happy to see what they can do.
1 answers

are these self aligning?

chevelle76
March 02, 2014

are these self aligning?

Answers

March 03, 2014
EricM
No these are not self aligning. Sorry I do not offer self aligning break in rockers.
1 answers

Can this be used to break-in a hydraulic flat tappet cam? Do you deliver to Canada?

Ermanno
Toronto, Ontario, Canada
September 30, 2015

Can this be used to break-in a hydraulic flat tappet cam? Do you deliver to Canada?

Answers

October 01, 2015
Eric
Expert
Yes the rockers can be used on a hydraulic flat tappet camshaft for break in. We ship to Canada daily.
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