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Big Block Chevy Stainless Steel Roller Rocker Arms

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Big Block Chevy Stainless Steel Roller Rocker Arms

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Please note the following about this product:

  • This item is sold as a set.

Details

Reviews (0)

Q & A (3)

What's in the Box

Info

These full-roller Stainless Steel rockers incorporate an exceptional lightweight design that provides plenty of clearance for large diameter springs. Manufactured from premium quality 15-5 PH stainless steel, a superior alloy high in Nickel and Chromium, this rigid material provides high yield strength to help resist deflection and has extraordinary fatigue resistance.

Features full-cage friction reducing needle bearings. The nose rollers and shafts are Cr40 steel, heat-treated and hardened to resist the severity of racing and to minimize "scrubbing". Each rocker body is hand-polished, assembled and carefully inspected to provide our customers with some of the finest quality rocker arms available to the racing and performance industry. 

  • Strong 15-5PH stainless steel
  • Specially cast and machined for larger valve springs and retainers
  • Light weight with integral pushrod seat
  • Oversize trunions and full roller precision needle and cage bearings
  • More needle bearings for increased performance and rocker life
  • CNC machined pushrod cups and heat-treated Cr40 roller tips
  • Internal oiling system for long lasting performance
  • H.D. Polylocks included

For 1968-1997, 302-460 c.i. Ford

For 396-454 c.i. B/B Chevy V8. 1.7:1 ratio for 7/16" stud. Includes polylocks.

For 348/409 c.i. Chevy W-Series V8. 1.7:1 ratio for 7/16" stud. Includes polylocks. 

Item Details

1.7 Ratio - 7/16" Stud

Application

  • 396 V-8 1966-1970
  • 402 V-8 1970-1972
  • 427 V-8 1966-1969
  • 454 V-8 1996-2000

Notes

Features:

  • Designed for higher open valve spring pressures
  • Strong 15-5PH stainless steel
  • Specially cast and machined for larger valve springs and retainers
  • Light weight with integral pushrod seat
  • Oversize trunions and full roller precision needle and cage bearings
  • More needle bearings for increased performance and rocker life
  • 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

3 questions : 3 answers

1 answers

do you offer longer studs for bb chev, if so what is the part no.

SScoronet
December 11, 2013

do you offer longer studs for bb chev, if so what is the part no.

Answers

December 11, 2013
EricM
The rocker studs that I have for a Big Block Chevy would be part number 91599159. They measure 1.93" from the base of the nut to top of the threads. Compare that to your current studs to determine the difference in length.
1 answers

do you need longer studs, or how many threads should protrude thru

SScoronet
December 09, 2013

do you need longer studs, or how many threads should protrude thru

Answers

December 10, 2013
EricM
You need at least 8 threads to be safe. More would be better though especially if using high lift and high valve spring pressure.
1 answers

What is the stud bolt when I use it for chevy409 engines? If the stock heads is screw in, is this Rocker usable without processing?

andy
gardena CA
April 25, 2016

What is the stud bolt when I use it for chevy409 engines? If the stock heads is screw in, is this Rocker usable without processing?

Answers

April 28, 2016
John
Expert
57524542 Rocker arms for big blocks including the 348/409 are not meant to be used on stock 3/8" rocker studs if your heads are so equipped. These are for 7/16" screw in studs such as number 91599159 measuring 1.93" from base of nut to top of threads and depending on cam lift there should be sufficient threads for the poly locks.
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