View our Specials! Coupon Code: SaveIn2026
Exedy Clutch and Flywheel Sale
X
Vehicle Set: Click here to shop 1978 GMC K15 parts.

1978 GMC K15 Rocker Arms

Looking for aftermarket parts to modify or upgrade your 1978 GMC K15 with rocker arms? At Tunersports.com we carry a huge selection of the top name brand performance rocker arm parts and accessories.

Rocker Arm Parts:

Only show in-stock parts

COMP Cams Rocker Arm Kits

COMP Cams
COMP Cams Rocker Arm Kits 1261-12
IN STOCK - DROPSHIPS
1261-12
These COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arms designed for 1962-84 Chevy 6 cylinder 194-292 Applications feature a 3/8" Stud diameter and 1.75 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a l...
COMP Cams Hi-Energy Rocker Arms C60 1.7
1975-1978 GMC K15 Base / High Sierra / Sierra Classic / Sierra Grande
$121.78
Details
COMP Cams Rocker Arm Kits RPG100
IN STOCK - DROPSHIPS
RPG100
you know all the parts match. Confidently install your new Rocker arms and experience the difference. All components are also available as separate pieces....
COMP Cams Rocker Arm/Pushrod Kit CS 1.5
1977-1978 GMC K15 Base / High Sierra / Sierra Classic / Sierra Grande
$296.05
Details

COMP Cams Rocker Arm Sets

COMP Cams
COMP Cams Rocker Arm Sets 17002-12
OUT OF STOCK
17002-12
These High Energyâ„¢ Die Cast Aluminum Roller Rocker Arms for Chevy V6 200-262 Applications are perfect for street and moderate Race use. With a 3/8" Stud diameter and 1.6 ratio, the die cast, larger-than-stock body of the Rocker arms is made of aluminum for superior strength with light overall ...
COMP Cams High Energy Alum Rocker SBC 1.
1975-1978 GMC K15 Base / High Sierra / Sierra Classic / Sierra Grande
$263.26