With a 7/16" base thread and a 7/16" rocker thread, the Hi-Tech stud features rolled threads for maximum contact and a ground-flat top for accurate valve adjustment. This stud set has a 1.900" effective stud length with a .750" long base.
COMP Cams takes pride in having the finest Rocker arm Studs available on the market. The High Energyâ„¢ and Magnum Series Studs work well in Applications with moderate lifts and spring pressures and are available in the popular 3/8" and 7/16" sizes. When ultimate strength is required as with high rpm Roller Cam Applications, the Hi-Techâ„¢ Race Stud is the answer. This Stud has a thin jam nut for Rocker clearance, rolled threads for maximum contact and a ground-flat top so accurate valve adjustment can be achieved and maintained. The diameter of the jam nut is larger in order to spread the load over a larger area. All COMP Cams Studs have generous radii and a black oxide finish. Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications. The Stud girdle polylocks are precision ground for minimum runout and tapered for extra strength in the locking area.
| Base Thread |
|
| Part # |
Description |
Diameter |
Length |
Stud Diameter |
Effective Stud Length |
| 4512-16 |
Hi-Tech Race Rocker Stud Chevrolet Big Block |
7/16" |
.750" |
7/16" |
1.900" |
| Attributes |
| Amazon ASIN |
N/A |
| ASIN |
B00062YEF4 |
| Base Thread Diameter |
7/16, 7/16 |
| Base Thread Length |
0.75, 0.75 |
| C.A.R.B. E.O. Number |
N/A |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? |
Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles? |
Yes |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? |
Yes, but must be a race/competition only vehicle. |
| C.A.R.B. Exemption Reason |
No impact on pollution output of vehicle. |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Country of Origin (Primary) |
US |
| Effective Stud Length |
1.9, 1.9 |
| Emission Code |
Legal US |
| Engine Make/Size |
Chevy Big Block |
| Harmonized Tariff Code (Schedule B) |
8409914000 |
| Hazardous Material Code |
N |
| Life Cycle Status Code |
Available to Order |
| NAFTA Preference Criterion Code |
B |
| Rocker-Side Thread |
7/16, 7/16 |
| SDR Required Flag |
N |
| SDS Sheet Number |
N/A |
| Warranty Time |
12 |
| GTIN |
00036584392521 |
