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Looking for aftermarket parts to modify or upgrade your 1978 GMC C25 with heads? At Tunersports.com we carry a huge selection of the top name brand performance head parts and accessories.
 OUT OF STOCK 60435The Edelbrock #60435 Performer RPM High-Compression O-Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60435 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder he... Edelbrock Cylinder Head BBC Performer RPM Oval Port 100cc Complete Single w/ Springs 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $1,280.80 |
 IN STOCK - DROPSHIPS 60439The Edelbrock #60439 Performer RPM High-Compression O-Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60439 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder he... Edelbrock Cylinder Head BBC Performer RPM Oval Port 100cc Complete Single w/ Springs 1975-1978 GMC C25 Base $1,266.41 |
 IN STOCK - DROPSHIPS 60455The Edelbrock #60455 Performer RPM O-Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60455 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great... Edelbrock Cylinder Head BBC Performer RPM Oval Port for Hydraulic Roller Cam Natural Finish (Ea) 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $1,296.48 |
 IN STOCK - DROPSHIPS 60459The Edelbrock #60459 Performer RPM O-Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60459 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great... Edelbrock Single Perf RPM 454-0 BBC O-Port Head Comp 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $1,310.43 |
 IN STOCK - DROPSHIPS 60499The Edelbrock #60499 Performer Bare High Compression cylinder head is designed for Big-Block Chevy Oval Port V8 applications. These Edelbrock Performer Series cylinder head is 50-state street legal and provide outstanding performance from Idle-5,500 RPM's. The Edelbrock Performer head is perfect for... Edelbrock Single BBC Hi-Comp 454-0 Head Comp 1975-1978 GMC C25 Base $1,280.80 |
 OUT OF STOCK 2088Edelbrock part #2088 Performer Top End Kit is designed for 1957-86 Small-Block Chevy engines. This Top End Kit produced 363 HP & 405 TQ on a 350 c.i.d engine with 9.0:1 compression. The kit includes Performer EPS intake manifolds, E-Tec 170 cylinder heads, pushrods and Rollin' Thunder Hydraulic Roll... Edelbrock Power Pkg Top End Kit SBC 363 Hp 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $5,011.95 |