
Hi-Tech Polylock Stud Size: 3/8"
- Hi-Tech Polylock
- Stud Size: 3/8"
- Width: 0.600"
- Length: 1.000"
- 16/pkg
- Ultimate In Strength And Locking Force
- 1 Year Limited Warranty
The best polylock for high end race applications, these Hi-Tech polylocks are designed for 3/8" Ultra Pro Magnum and Ultra Pro Magnum XD rockers.
Items You Need

JEGS
Premium 10-Blade Feeler Gauge Kit 0.015 in. to 0.035 in. (0.381mm to 0.889mm)
Part Number : 555-80502
![Valve Lash Wrench and T-Handle Set [Cuts Adjustment Time in Half]](https://www.jegs.com/images/mini_200/700/778/778-66779.jpg)
PROFORM
Valve Lash Wrench and T-Handle Set [Cuts Adjustment Time in Half]
Part Number : 778-66779

PROFORM
Valve Lash Wrench Set Nut: 1/2" Set Screw: 1/8" & 3/16"
Part Number : 778-66778
![Valve Lash Wrench and T-Handle Set [Cuts Adjustment Time in Half]](https://www.jegs.com/images/mini_200/700/778/778-66779.jpg)
PROFORM
Valve Lash Wrench and T-Handle Set [Cuts Adjustment Time in Half]
Part Number : 778-66779

PROFORM
Valve Lash Wrench Set Nut: 9/16" Set Screw: 3/16" & 7/32"
Part Number : 778-66780

PROFORM
Valve Lash Wrench Set Nut: 5/8" Set Screw: 3/16" & 7/32"
Part Number : 778-66781

JEGS
Premium 10-Blade Feeler Gauge Kit 0.015 in. to 0.035 in. (0.381mm to 0.889mm)
Part Number : 555-80502

JEGS
Master Pushrod Length Checker Kit
Part Number : 555-80670

PROFORM
Valve Lash Wrench Set Nut: 1/2" Set Screw: 1/8" & 3/16"
Part Number : 778-66778
![Valve Lash Wrench and T-Handle Set [Cuts Adjustment Time in Half]](https://www.jegs.com/images/mini_200/700/778/778-66779.jpg)
PROFORM
Valve Lash Wrench and T-Handle Set [Cuts Adjustment Time in Half]
Part Number : 778-66779

PROFORM
Valve Lash Wrench Set Nut: 9/16" Set Screw: 3/16" & 7/32"
Part Number : 778-66780

PROFORM
Valve Lash Wrench Set Nut: 5/8" Set Screw: 3/16" & 7/32"
Part Number : 778-66781

JEGS
Premium 10-Blade Feeler Gauge Kit 0.015 in. to 0.035 in. (0.381mm to 0.889mm)
Part Number : 555-80502

JEGS
Master Pushrod Length Checker Kit
Part Number : 555-80670

PROFORM
Valve Lash Wrench Set Nut: 1/2" Set Screw: 1/8" & 3/16"
Part Number : 778-66778
![Valve Lash Wrench and T-Handle Set [Cuts Adjustment Time in Half]](https://www.jegs.com/images/mini_200/700/778/778-66779.jpg)
PROFORM
Valve Lash Wrench and T-Handle Set [Cuts Adjustment Time in Half]
Part Number : 778-66779
ITEM YOU MAY ALSO CONSIDER

MR GASKET
Sure-Lock Rocker Arm Nuts SB-Chevy, Pontiac V8, Ford 289/302/351 (except 351C)
Part Number : 720-923G

ARP
Rocker Arm Adjusting Nuts 3/8" for .550" wide slot
Part Number : 070-300-8243

SCORPION RACING PRODUCTS
Race Series Polylocks 3/8"
Part Number : 347-SCPPL38-4

MR GASKET
Sure-Lock Rocker Arm Nuts SB-Chevy, Pontiac V8, Ford 289/302/351 (except 351C)
Part Number : 720-923G
![Poly Locks [3/8 in.-24 Thread, Set of 16]](https://www.jegs.com/images/mini_200/500/555/555-20970.jpg)
JEGS
Poly Locks [3/8 in.-24 Thread, Set of 16]
Part Number : 555-20970

ARP
Rocker Arm Adjusting Nuts 3/8" for .550" wide slot
Part Number : 070-300-8243

SCORPION RACING PRODUCTS
Race Series Polylocks 3/8"
Part Number : 347-SCPPL38-4

MR GASKET
Sure-Lock Rocker Arm Nuts SB-Chevy, Pontiac V8, Ford 289/302/351 (except 351C)
Part Number : 720-923G
![Poly Locks [3/8 in.-24 Thread, Set of 16]](https://www.jegs.com/images/mini_200/500/555/555-20970.jpg)
JEGS
Poly Locks [3/8 in.-24 Thread, Set of 16]
Part Number : 555-20970

ARP
Rocker Arm Adjusting Nuts 3/8" for .550" wide slot
Part Number : 070-300-8243

SCORPION RACING PRODUCTS
Race Series Polylocks 3/8"
Part Number : 347-SCPPL38-4

MR GASKET
Sure-Lock Rocker Arm Nuts SB-Chevy, Pontiac V8, Ford 289/302/351 (except 351C)
Part Number : 720-923G
⚠️ Warning
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.
