Losi RC Inspired
ARRMA
Axial
Spektrum
Pro-Line racing
E-Flite
Tower Hobbies

HOLIDAY HEADQUARTERS

Shop Our Holiday Gift Guide

PRE-BLACK FRIDAY SALE

Save Up To $130!

BYRON WINS! OWN THE NO. 24 LIVERY

Limited-Time Pre-Order Ends In:

HOLIDAY HEADQUARTERS

Shop Our Holiday Gift Guide

PRE-BLACK FRIDAY SALE

Save Up To $130!

BYRON WINS! OWN THE NO. 24 LIVERY

Limited-Time Pre-Order Ends In:

Backorder | February 2027

OS Engines Piston Pin Retainer: 50SX-H

OS Engines - OSMG7482

$4.99

Earn Full Throttle Rewards With Every Purchase. Learn More.

OS Engines Piston Pin Retainer: 50SX-H Product Specs

  • Manufacturer #25217000