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Blumax S/B Chevy Self-Aligning Roller Rocker Arms, 1.5:1, 3/8 Stud

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Blumax S/B Chevy Self-Aligning Roller Rocker Arms, 1.5:1, 3/8 Stud

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Please note the following about this product:

  • This item is sold as a set.

Details

Reviews (0)

Q & A (2)

What's in the Box

Info

BluMax Aluminum Rockers are designed with strength and durability in mind. The rocker bodies feature a deeper relief to accommodate larger valve springs, and are designed with longer slots and specially designed pushrod cups, to take advantage of high lift camshafts and roller lifters without extensive modification.

The BluMax self-aligning, narrow-body aluminum rollers are for use with center bolt valve cover heads. The narrower profile accommodates the later style Chevrolet engines with center bolt valve covers.

  • Self-aligning, no need for push rod plates
  • Designed to give better clearance with center bolt valve covers
  • Ideal for Vortec and other center-bolt heads

Cannot be used on heads that have not had the stock "slotted" pushrod hole drilled out to a round hole.  Cannot be used with guide plates.

Item Details

S/B Chevy - 1.5 Ratio - 3/8" Stud
Self Aligning, Narrow Body

Application

  • CHEVROLET Small Block Gen I 305 (1987-99), 350 (1987-2000)
  • CHEVROLET Small Block Gen II (LT-based engines) 350 (1992-97)

Notes

Features:

  • Designed to meet the demands of most high-lift roller camshaft profiles
  • Specially machined to accommodate larger valve springs and retainers
  • SAE-52100 Full complement precision needle and cage roller bearings
  • Anodized for a superior finish and to reduce operating temperatures
  • CNC machined pushrod cups and heat-treated Cr40 roller tips
  • Internal oiling system for long lasting performance
  • H.D. Polylocks included

 

Customer Reviews

This product has no reviews.

Product Q&A

2 questions : 2 answers

1 answers

IS THE PRICE FOR 8 OR 16 ROCKERS? AND WILL THESE ROCKERS FIT UNDER THE STOCK VORTEC VALVE COVERS?

STEVE
MOUNDSVILLE, WV
April 12, 2011

IS THE PRICE FOR 8 OR 16 ROCKERS? AND WILL THESE ROCKERS FIT UNDER THE STOCK VORTEC VALVE COVERS?

Answers

April 14, 2011
Zach
This set of roller rocker arms p/n 57533519 is sold as a full set of 16. These rockers may fit under some factory valve covers, but there is guarantee they will fit under all factory covers. I would recommend getting some taller aftermarket valve covers to ensure you have plenty of clearance.
1 answers

What kind of performance improvement over my stock '98 5.7L Vortec rockers can I expect out of these?

Phil
Oklahoma
March 10, 2016

What kind of performance improvement over my stock '98 5.7L Vortec rockers can I expect out of these?

Answers

March 11, 2016
Eric
Expert
Roller rocker arms are used for durability and strength in high performance applications. There will not be any significant power gain by simply changing from stock rockers to roller rockers. If you install a higher ratio rocker such as a 1.6 rocker then there is a possibility for a power gain. If using anything higher than 1.5 ratio rockers you will need to check clearance to the valve guide to be sure you have enough room for the added lift.
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