1) Size: 1.5 Ratio 7/16" Stud

2) Self-Aligning: No

3) Material: Aluminum Alloy

4) Finish: Red Anodized

5) Polylock-style Rocker Arm Nuts, Standard Rocker Arm Body Design

6) Package Included: 16Pcs Roller Rocker Arms & 16Pcs Fasteners

7) Applications:

For Chevy Small Block 262 1975-1976

For Chevy Small Block 265 1955-1957

For Chevy Small Block 267 1979-1982

For Chevy Small Block 283 1957-1967

For Chevy Small Block 302 1967-1968

For Chevy Small Block 305 1976-1986

For Chevy Small Block 307 1968-1973

For Chevy Small Block 327 1962-1969

For Chevy Small Block 350 1967-1986

For Chevy Small Block 400 1970-1980

8) Package Includes: As Shown In Our Pictures.

This Item Doesn't Come With Installation Guides. We Highly Recommend Professional Installation.

We Will Ship Your Package From Different Warehouses.