Looking for aftermarket parts to modify or upgrade your 1978 Chevrolet C30 with rocker arms? At Tunersports.com we carry a huge selection of the top name brand performance rocker arm parts and accessories.

IN STOCK - DROPSHIPS 1411-8Ford Boss 302, 351C-400M... COMP Cams Magnum Roller Rockers CB / FC 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $135.96 |
IN STOCK - DROPSHIPS 1412-16Applications: Chevrolet Small Block 265-400 c.i.d. V8 3/8" Studs / 1.52:1 Ratio. Magnum Roller Rocker Arms. Magnum Roller Rockers are the ultimate street Rocker because they were designed with the Serious performance enthusiast in mind. They will help your engine make more power and last longer. Ult... COMP Cams Magnum Roller Rockers CS 1.52 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $240.13 |
IN STOCK - DROPSHIPS 1412-8These Magnum Roller Rocker Arms for Chevy V8 265-400 and V6 200-262 Applications are the ultimate street Rocker. With a 3/8" Stud diameter and 1.52 ratio, they are designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a super... COMP Cams Magnum Roller Rockers CS 1.52 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $131.13 |
OUT OF STOCK 1416-8These Magnum Roller Rocker Arms for Chevy V8 265-400 and V6 200-262 Applications are the ultimate street Rocker. With a 3/8" Stud diameter and 1.6 ratio, they are designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superi... COMP Cams Magnum Roller Rocker Chevy SB 1978-1979 Chevrolet C30 Cheyenne / Custom Deluxe / Scottsdale / Silverado $133.07 |
OUT OF STOCK 17021-16These High Energyâ„¢ Die Cast Aluminum Roller Rocker Arms for Chevy V8 396-454 Applications are perfect for street and moderate Race use. With a 7/16" Stud diameter and 1.7 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 BBC 1 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $344.28 |

IN STOCK - DROPSHIPS 1211-1This COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arm designed for 1965-87 Chevy 396-454 Applications features a 7/16" Stud diameter and 1.7 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a long slot for... COMP Cams Hi-Energy Rocker Arm Chevy BB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $37.96 |
IN STOCK - DROPSHIPS 1212-1This COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arm designed for Chevy V8 265-400 Applications features a 3/8" Stud diameter and 1.5 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a long slot for highe... COMP Cams Hi-Energy Rocker Arm Chevy SB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $38.04 |
IN STOCK - DROPSHIPS 1217-1This nitrided COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arm designed for Chevy V8 265-400 Applications features a 3/8" Stud diameter and 1.5 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a long slot ... COMP Cams Rocker Arm Hi-Energy CS 1.5 N 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $38.86 |
IN STOCK - DROPSHIPS 1218-1This nitrided COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arm designed for Chevy V8 265-400 Applications features a 3/8" Stud diameter and 1.6 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a long slot ... COMP Cams Rocker Arm Hi-Energy CS 1.6 N 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $38.86 |
IN STOCK - DROPSHIPS 1219-1This nitrided COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arm designed for 1965-87 Chevy 396-454 Applications features a 7/16" Stud diameter and 1.7 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a long... COMP Cams Rocker Arm Hi-Energy CB 1.7 N 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $39.80 |
IN STOCK - DROPSHIPS 1220-1
Excellent replacement Rocker arms for engine rebuilds with a stock or High Energy Camshaftâ„¢
Help to eliminate noise and slop associated with worn or high mileage stock Rocker arms
Include adjusting nuts and pivot balls where required
Feature a long slot for higher than stock lift Camshafts
Ni... COMP Cams Rocker Arm H/E CS 1.5 Nit.For 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $45.44 |
IN STOCK - DROPSHIPS 1411-1Ford Boss 302, 351C-400M... COMP Cams Magnum Roller Rocker CB / FC 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $43.08 |
IN STOCK - DROPSHIPS 1412-1This Magnum Roller Rocker Arm for Chevy V8 265-400 and V6 200-262 Applications is the ultimate street Rocker. With a 3/8" Stud diameter and 1.52 ratio, it is designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superior ma... COMP Cams Magnum Roller Rocker CS 1.52 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $40.17 |
IN STOCK - DROPSHIPS 1416-1This Magnum Roller Rocker Arm for Chevy V8 265-400 and V6 200-262 Applications is the ultimate street Rocker. With a 3/8" Stud diameter and 1.6 ratio, it is designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superior mat... COMP Cams Magnum Roller Rocker Chevy SB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $41.15 |
OUT OF STOCK 1620-1Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity ... COMP Cams Rocker Arm CB 1.7 7/16 Ultra 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $58.52 |
IN STOCK - DROPSHIPS 1629-1Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity ... COMP Cams Rocker Arm348/409 Chevy 1.7 U 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $58.52 |
IN STOCK - DROPSHIPS 17021-1These High Energyâ„¢ Die Cast Aluminum Roller Rocker Arms for Chevy V8 396-454 Applications are perfect for street and moderate Race use. With a 7/16" Stud diameter and 1.7 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 BBC 1 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $48.86 |
IN STOCK - DROPSHIPS 1828-1The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rocker CB 1.8 7/16in Ultra Pro 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $83.58 |
OUT OF STOCK 19001-1The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature... COMP Cams Rocker Arm Ultra Gold Arc SBC 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $50.79 |
IN STOCK - DROPSHIPS 19002-1The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature... COMP Cams Rocker Arm Ultra Gold Arc SBC 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $50.79 |
IN STOCK - DROPSHIPS 19004-1The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature... COMP Cams Rocker Arm Ultra Gold Arc SBC 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $50.79 |
OUT OF STOCK 19005-1The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature... COMP Cams Rocker Arm Ultra Gold Arc SBC 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $50.79 |
IN STOCK - DROPSHIPS 19012-1The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature... COMP Cams Rocker Arm Ultra Gold SBC 7 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $51.76 |
IN STOCK - DROPSHIPS 19021-1The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature... COMP Cams Rocker Arm Ultra Gold Arc BBC 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $52.72 |