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 1217-16These nitrided COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arms designed for Chevy V8 265-400 Applications feature 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 $205.22 |
IN STOCK - DROPSHIPS 1218-16These nitrided COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arms designed for Chevy V8 265-400 Applications feature 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 $209.91 |
IN STOCK - DROPSHIPS 1220-16The latest edition to the High Energy Series of Rocker arms includes all the same benefits as its predecessors and makes an excellent replacement Rocker for engine rebuilds with stock or COMP High Energy Camshafts. Nitrided for increased strength and durability, these Steel Rocker arms are designed ... 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 $309.45 |
OUT OF STOCK 1620-16Ultra 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 Arms CB 1.7 7/16 Ultra 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $532.36 |
OUT OF STOCK 1620-8Ultra 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 Arms CB 1.7 7/16 Ultra 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $277.74 |
IN STOCK - DROPSHIPS 1625-16The latest development in Rocker arm Technology from COMP Cams are Ultra Pro Magnumâ„¢ Rocker Arms built for 1/2" Studs to increase valve train stiffness and stability. Designed to be used in conjunction with the COMP Cams Hi-Tech 1/2" Rocker Stud Kit, the latest versions of COMP Cams Ultra Pro ... COMP Cams Rocker Arms CB 1.7 1/2in Ultra 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $566.12 |
OUT OF STOCK 1629-16Ultra 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 Arms348/409 Chevy 1.7 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $534.28 |
OUT OF STOCK 1629-8Ultra 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 Arms348/409 Chevy 1.7 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $277.74 |
IN STOCK - DROPSHIPS 19001-16The 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 Arms Ultra Gold Arc SB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $412.75 |
IN STOCK - DROPSHIPS 19001-8The 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 Arms Ultra Gold Arc SB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $217.94 |
IN STOCK - DROPSHIPS 19002-16The 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 Arms Ultra Gold Arc SB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $413.73 |
OUT OF STOCK 19002-8The 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 Arms Ultra Gold Arc SB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $217.94 |
OUT OF STOCK 19004-16The 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 Arms Ultra Gold Arc SB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $413.73 |
IN STOCK - DROPSHIPS 19004-8The 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 Arms Ultra Gold Arc SB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $217.94 |
IN STOCK - DROPSHIPS 19005-16The 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 Arms Ultra Gold Arc SB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $414.69 |
IN STOCK - DROPSHIPS 19012-12The 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 Arms Ultra Gold SBC 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $321.13 |
IN STOCK - DROPSHIPS 19012-16The 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 Arms Ultra Gold SBC 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $421.44 |
IN STOCK - DROPSHIPS 19021-16The 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 Arms Ultra Gold Arc BB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $440.74 |
OUT OF STOCK RP1411-16you 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 Magnum 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $305.70 |
IN STOCK - DROPSHIPS RP1412-16you 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 Magnum 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $272.92 |
OUT OF STOCK RP1416-16you 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 Magnum 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $276.77 |
IN STOCK - DROPSHIPS RPM1411-16you 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 CB Mag 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $399.27 |
IN STOCK - DROPSHIPS RPM1412-16you 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 Mag 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $383.82 |

OUT OF STOCK 1212-16These COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arms designed for Chevy V8 265-400 Applications feature 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 high... COMP Cams Hi-Energy Rockers Chevy SB 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $136.66 |
IN STOCK - DROPSHIPS 1411-16Ford 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 $250.73 |