$4.04

Rocker Arm Stud, M8 x 1.25 Base Thread, 3/8 in.-24 Rocker Arm Nut Thread, 4135 Alloy Steel, 1.496 in. Effective Length, Each
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PRW Rocker Arm Studs 1200408

PRW Rocker Arm Studs 1200408

PQX-1200408

Not Yet Reviewed

Part Number: PQX-1200408

Estimated Ship Date from Texas: Monday 11/9/2026

$4.04

Estimated Ship Date from Texas: Monday 11/9/2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
1200408
Part Type:
Product Line:
Summit Racing Part Number:
PQX-1200408
Item Number:
6803624
UPC:
842864003601
Base Thread Size:
M8 x 1.25
Rocker Arm Nut Thread Size:
3/8 in.-24
Rocker Arm Stud Material:
4135 Alloy steel
Guideplate Locator Shank:
No
Effective Stud Length (in.):
1.496 in.
Quantity:
Sold individually.

PRW Rocker Arm Studs

PRW rocker arm studs are premium engine fasteners, made from strong, heat-treated 4135 chromoly steel with rolled threads. They're designed to securely hold rocker arms in place, handling the extreme forces in race and high performance engines for reliable valvetrain operation. The studs are crucial for securing the rocker arms that open and close engine valves, often paired with poly locks and used in upgraded systems for better durability and performance than stock parts. Order the set recommended for your vehicle.

Additional product details:

* Material: Cold-formed from 4135 chromoly alloy steel for maximum strength
* Construction: Rolled threads provide superior durability and resistance to stripping
* Application: Engineered for high performance and racing engines where stock studs might fail
* Function: They act as threaded posts in the cylinder head, anchoring the rocker arms and associated hardware (like poly locks)
* Durability: Standard components can bend or break under high spring pressures and aggressive valve lift
* Reliability: PRW studs provide a secure, dependable foundation for the valvetrain in demanding conditions
* Upgrades: Essential when upgrading to stronger rocker arms or higher-rate valve springs

Applications

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