TRW Products
PRODUCTS
6 CATEGORIES
Engine Valves
Intake Valves · Exhaust Valves · Hollow-Stem · Sodium-Filled · Bi-Metal · OE-Spec Dimensions
Valve Guides
Cast Iron · Bronze · Sintered Metal · Intake & Exhaust · Standard & Oversize
Valve Seat Inserts
Hardened Steel · Sintered · High-Temperature Alloy · Intake & Exhaust · Press-Fit
Valve Control Elements
Valve Collets · Valve Cotters · Valve Springs · Spring Retainers · Valve Caps
Hydraulic Tappets & Lifters
Hydraulic Bucket Tappets · Hydraulic Cam Followers · Roller Tappets · Self-Adjusting
Rocker Arms
Stamped Steel · Forged · Roller-Type · Rocker Shafts · Rocker Arm Assemblies









