Ford Performance M-6527-C311 : Rocker Arm Studs, 7/16" Thread, 1.850" Effective Stud Length, Ford Boss/Big Block 385, Set of 16
DBU-FRP-M-6527-C311
Rocker Arm Studs
-Base Thread Size : 7/16"-14
-Rocker Arm Nut Thread Size : 7/16"-20
-Guideplate Locator Shank : Yes
-Rocker Arm Nut Thread Length : 0.920"
-Effective Stud Length : 1.850"
-Base Thread Length : 0.700"
-Quantity : Sold as a set of 16
-Base Thread Size : 7/16"-14
-Rocker Arm Nut Thread Size : 7/16"-20
-Guideplate Locator Shank : Yes
-Rocker Arm Nut Thread Length : 0.920"
-Effective Stud Length : 1.850"
-Base Thread Length : 0.700"
-Quantity : Sold as a set of 16
- Free domestic shipping over $99
Racing Helmets
| helmet | size | measurement | metric |
| XS | 6-5/8 to 6-3/4 | 20-7/8 to 21-1/4 | 53 to 54 |
| S | 6-7/8 to 7 | 21-5/8 to 22 | 55 to 56 |
| M | 7-1/8 to 7-1/4 | 22-3/8 to 22-3/4 | 57 to 58 |
| L | 7-3/8 to 7-1/2 | 23-1/8 to 23-1/2 | 59 to 60 |
| XL | 7-5/8 to 7-3/4 | 23-7/8 to 24-1/4 | 61 to 62 |
| 2XL | 7-7/8 to 8 | 24-3/4 to 25-1/8 | 63 to 64 |
CMR Helmets
| helmet | size | measurement | metric |
| XS | 6-1/2 to 6-5/8 | 20-1/2 to 20-7/8 | 52 to 53 |
| S | 6-3/4 to 6-7/8 | 21-1/4 to 21-5/8 | 54 to 55 |
| M | 6-7/8 to 7 | 21-5/8 to 22 | 55 to 56 |
| L | 7-1/8 to 7-1/4 | 22-3/8 to 23-3/4 | 57 to 58 |
Rookie Helmets
| helmet | size | measurement | metric |
| One size | 6-3/4 to 7 | 21-1/4 to 22 | 54 to 56 |
