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COMP Cams 19021-1 Ultra ARC Rocker w/ 1.7 Ratio for Chevrolet Big Block w/ 7/16" Stud
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Enter your Engine Family Number and we will confirm whether this exact converter is street-legal for your vehicle.
Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while improving power and stability. This 19021 rocker features a 1.7 ratio for use with 7/16" stud Chevrolet 396-454 Big Block.
The 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 an Arced, Recessed, Contoured design delivers an optimal strength-to-weight ratio. Backed by a Lifetime Warranty—buy them once and use them forever. Engineered for applications running up to 700 lbs of open spring pressure.
Specifications
| Engine Family | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
| Maximum Valve Spring Open Pressure | 700 |
| Rocker Arm Material | Aluminum |
| Rocker Arm Ratio | 1.7 |
| Rocker Stud Diameter | 7/16 IN |
| Rocker Arm Series | Ultra ARC Aluminum |
⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.
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