SKU: arp135-7121
IN STOCK! Est Ship 3-5 Days.
SKU: arp135-7121
IN STOCK! Est Ship 3-5 Days.
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ARP Chevy Rocker Arm Studs
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included items. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Rocker Arm Studs, High Performance, 7/16-20 in. Thread, 1.75 in. Effective Stud Length, Chevy, Big Block, Pair
ARP High Performance Series rocker arm studs are ideal for ET bracket racing, limited rule oval track competition, or street use. Made from 8740 chromoly steel and are heat-treated to 180,000 psi tensile strength, they are concentric within .005 T.I.R. thread pitch to thread pitch, which will give you more consistent rocker geometry. With an extra-large radius base, they are more resistant to flex and will provide a more positive seating. These rocker arm studs are designed to be used with Perma-Loc adjusters (not for use with OEM-style, self-locking nuts).
| Brand | ARP |
| Manufacturer's Part Number | 135-7121 |
| Part Type | Rocker Arm Studs |
| Product Line | ARP High Performance Series Rocker Arm Studs |
| UPC | 672036002619 |
| Base Thread Size | 7/16 in.-14 |
| Rocker Arm Nut Thread Size | 7/16 in.-20 |
| Rocker Arm Stud Material | 8740 Chromoly |
| Guideplate Locator Shank | No |
| Rocker Arm Nut Thread Length (in.) | 0.850 in. |
| Effective Stud Length (in.) | 1.750 in. |
| Base Thread Length (in.) | 0.800 |
| Quantity | Sold as a pair. |
No specific fitment data available for this part. For clarification, please contact us.
ARP Chevy Rocker Arm Studs
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included items. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Rocker Arm Studs, High Performance, 7/16-20 in. Thread, 1.75 in. Effective Stud Length, Chevy, Big Block, Pair
ARP High Performance Series rocker arm studs are ideal for ET bracket racing, limited rule oval track competition, or street use. Made from 8740 chromoly steel and are heat-treated to 180,000 psi tensile strength, they are concentric within .005 T.I.R. thread pitch to thread pitch, which will give you more consistent rocker geometry. With an extra-large radius base, they are more resistant to flex and will provide a more positive seating. These rocker arm studs are designed to be used with Perma-Loc adjusters (not for use with OEM-style, self-locking nuts).
| Brand | ARP |
| Manufacturer's Part Number | 135-7121 |
| Part Type | Rocker Arm Studs |
| Product Line | ARP High Performance Series Rocker Arm Studs |
| UPC | 672036002619 |
| Base Thread Size | 7/16 in.-14 |
| Rocker Arm Nut Thread Size | 7/16 in.-20 |
| Rocker Arm Stud Material | 8740 Chromoly |
| Guideplate Locator Shank | No |
| Rocker Arm Nut Thread Length (in.) | 0.850 in. |
| Effective Stud Length (in.) | 1.750 in. |
| Base Thread Length (in.) | 0.800 |
| Quantity | Sold as a pair. |
No specific fitment data available for this part. For clarification, please contact us.
