Ultra Arc Narrow Aluminum Series Rocker Arm for '88+ Chevrolet Small Block, 3/8 (19018-1)
036584373629
$25.95
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In Stock
Compatibility
- Platform
- Universal — verify fitment for your application
- Vehicle-specific fitment
- Review application details below
- Need help?
- Confirm fitment with us before ordering — (714) 202-7886
We list the engine platform a part is built for. That is not year-and-trim application data, so it does not confirm a fit on your specific vehicle.
- Est. install labor: 4.5 hrs — $563 at $125/hr. Pick Install at HRC and a 20% labor deposit ($113) is due at checkout; the balance is due at completion.
- An estimate for a stock vehicle, not a quote — we confirm it in writing when you book, before any labor is authorized. Seized hardware, prior modifications, diagnosis and machine work are quoted separately; tuning is arranged through our tuning partner. Questions: (714) 202-7886.
- Warranty & track disclaimer — read before you race it.
- Shipping & returns — rates and RMA terms.
- Installed in-house in Huntington Beach, CA — labor & service policy.
- Affirm and PayPal available at checkout.
More ways to pay at checkout
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.
| Part Type | Engine Rocker Arm |
|---|---|
| California Proposition 65 | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Rocker Arm Ratio | 1.6 |
| Rocker Arm Series | Ultra ARC Aluminum |
| Rocker Stud Diameter | 3/8" |
| Title | Ultra ARC Narrow Rocker w/ 1.6 Ratio for '88+ Chevrolet SBC w/ 3/8" Stud |
| Rocker Arm Material | Aluminum |
| Maximum Valve Spring Open Pressure | 700 |
| Engine Family | Chevrolet 262-400 c.i. 8 Cylinder (1988+) w/ Self-Aligning Rockers |
| Amazon ASIN | N/A |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? | Yes, but must be a race/competition only vehicle. |
| C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles? | No |
| C.A.R.B. Exemption Reason | N/A |
| C.A.R.B. E.O. Number | N/A |
| Weight | 0.45 lb |
| UPC | 036584373629 |
| Country of Origin | USA |
Verified fitment · 258 applications
- Buick Commercial Chassis Base 5.7L (1995–1996)
- Cadillac Commercial Chassis Base 5.7L (1995–1996)
- Cadillac Commercial Chassis Brougham 5.7L (1995)
- Chevrolet C1500 Base 5.0L (1994–1995)
- Chevrolet C1500 Cheyenne 5.0L (1994–1995)
- Chevrolet C1500 Cheyenne 5.7L (1994–1995)
- Chevrolet C1500 Silverado 5.0L (1994)
- Chevrolet C1500 Silverado 5.7L (1994–1995)
- Chevrolet C1500 Suburban Base 5.7L (1994–1995)
- Chevrolet C1500 Suburban LS 5.7L (1995)
- Chevrolet C1500 Suburban LT 5.7L (1995)
- Chevrolet C1500 Suburban Silverado 5.7L (1994)
- Chevrolet C1500 WT 5.0L (1994–1995)
- Chevrolet C1500 WT 5.7L (1994–1995)
- Chevrolet C2500 Base 5.0L (1994–1995)
- Chevrolet C2500 Base 5.7L (1994–1995)
- Chevrolet C2500 Cheyenne 5.0L (1994–1995)
- Chevrolet C2500 Cheyenne 5.7L (1994–1995)
- Chevrolet C2500 Silverado 5.0L (1994–1995)
- Chevrolet C2500 Silverado 5.7L (1994–1995)
- Chevrolet C2500 Suburban Base 5.7L (1994–1995)
- Chevrolet C2500 Suburban LS 5.7L (1995)
- Chevrolet C2500 Suburban LT 5.7L (1995)
- Chevrolet C2500 Suburban Silverado 5.7L (1994)
- Chevrolet C2500 WT 5.0L (1994–1995)
- Chevrolet C2500 WT 5.7L (1994–1995)
- Chevrolet C35 Base 5.7L (1994)
- Chevrolet C3500 Base 5.7L (1994–1995)
- Chevrolet C3500 Cheyenne 5.7L (1994–1995)
- Chevrolet C3500 Silverado 5.7L (1994–1995)
- Chevrolet Commercial Chassis Base 5.7L (1994)
- Chevrolet Express 2500 LS 5.0L (1996)
- Chevrolet G10 Beauville 5.0L (1994–1995)
- Chevrolet G10 Chevy Van 5.0L (1994–1995)
- Chevrolet G10 Sportvan 5.0L (1994–1995)
- Chevrolet G20 Beauville 5.0L (1994–1995)
- Chevrolet G20 Beauville 5.7L (1994–1995)
- Chevrolet G20 Chevy Van 5.0L (1994–1995)
- Chevrolet G20 Chevy Van 5.7L (1994–1995)
- Chevrolet G20 Sportvan 5.0L (1994–1995)
- Chevrolet G20 Sportvan 5.7L (1994)
- Chevrolet G30 Beauville 5.7L (1994–1996)
- Chevrolet G30 Chevy Van 5.7L (1994–1996)
- Chevrolet G30 Hi-Cube 5.7L (1994–1996)
- Chevrolet G30 Sportvan 5.7L (1994–1996)
- Chevrolet K1500 Base 5.0L (1994–1995)
- Chevrolet K1500 Base 5.7L (1994–1995)
- Chevrolet K1500 Cheyenne 5.0L (1994–1995)
- Chevrolet K1500 Cheyenne 5.7L (1994–1995)
- Chevrolet K1500 Silverado 5.0L (1994–1995)
- Chevrolet K1500 Silverado 5.7L (1994–1995)
- Chevrolet K1500 Suburban Base 5.7L (1994–1995)
- Chevrolet K1500 Suburban LS 5.7L (1995)
- Chevrolet K1500 Suburban LT 5.7L (1995)
- Chevrolet K1500 Suburban Silverado 5.7L (1994)
- Chevrolet K1500 WT 5.0L (1994–1995)
- Chevrolet K1500 WT 5.7L (1994–1995)
- Chevrolet K2500 Base 5.0L (1994–1995)
- Chevrolet K2500 Base 5.7L (1994–1995)
- Chevrolet K2500 Cheyenne 5.0L (1994–1995)
- Chevrolet K2500 Cheyenne 5.7L (1994–1995)
- Chevrolet K2500 Silverado 5.0L (1994–1995)
- Chevrolet K2500 Silverado 5.7L (1994–1995)
- Chevrolet K2500 Suburban Base 5.7L (1994–1995)
- Chevrolet K2500 Suburban LS 5.7L (1995)
- Chevrolet K2500 Suburban LT 5.7L (1995)
- Chevrolet K2500 WT 5.0L (1994–1995)
- Chevrolet K2500 WT 5.7L (1994–1995)
- Chevrolet K3500 Base 5.7L (1995)
- Chevrolet K3500 Cheyenne 5.7L (1995)
- Chevrolet K3500 Silverado 5.7L (1995)
- Chevrolet P30 Base 5.7L (1994–1996)
- Chevrolet Tahoe Base 5.7L (1995)
- Chevrolet Tahoe LS 5.7L (1995)
- Chevrolet Tahoe LT 5.7L (1995)
- GMC C1500 Sierra SL 5.0L (1994–1995)
- GMC C1500 Sierra SL 5.7L (1994–1995)
- GMC C1500 Sierra SLE 5.0L (1994–1995)
- GMC C1500 Sierra SLE 5.7L (1994–1995)
- GMC C1500 Sierra SLT 5.0L (1994–1995)
- GMC C1500 Sierra SLT 5.7L (1994–1995)
- GMC C1500 Sierra Special 5.0L (1994–1995)
- GMC C1500 Sierra Special 5.7L (1994–1995)
- GMC C1500 Suburban Base 5.7L (1994–1995)
- GMC C1500 Suburban SLE 5.7L (1994–1995)
- GMC C1500 Suburban SLT 5.7L (1995)
- GMC C2500 Sierra SL 5.0L (1994–1995)
- GMC C2500 Sierra SL 5.7L (1994–1995)
- GMC C2500 Sierra SLE 5.0L (1994–1995)
- GMC C2500 Sierra SLE 5.7L (1994–1995)
- GMC C2500 Sierra SLT 5.0L (1994–1995)
- GMC C2500 Sierra SLT 5.7L (1994–1995)
- GMC C2500 Suburban Base 5.7L (1994–1995)
- GMC C2500 Suburban SLE 5.7L (1994–1995)
- GMC C2500 Suburban SLT 5.7L (1995)
- GMC C3500 Sierra SL 5.7L (1994–1995)
- GMC C3500 Sierra SLE 5.7L (1994–1995)
- GMC C3500 Sierra SLT 5.7L (1994–1995)
- GMC G1500 Rally 5.0L (1994–1995)
- GMC G1500 Rally STX 5.0L (1994–1995)
- GMC G1500 Vandura 5.0L (1994–1995)
- GMC G2500 Rally 5.0L (1994–1995)
- GMC G2500 Rally 5.7L (1994–1995)
- GMC G2500 Rally STX 5.0L (1994–1995)
- GMC G2500 Rally STX 5.7L (1994–1995)
- GMC G2500 Vandura 5.0L (1994–1995)
- GMC G2500 Vandura 5.7L (1994–1995)
- GMC G3500 Magnavan 5.7L (1994–1996)
- GMC G3500 Rally 5.7L (1994–1996)
- GMC G3500 Rally Camper Special 5.7L (1994–1996)
- GMC G3500 Rally STX 5.7L (1994–1996)
- GMC G3500 Vandura 5.7L (1994–1996)
- GMC G3500 Vandura Special 5.7L (1994–1996)
- GMC K1500 Sierra SL 5.0L (1994–1995)
- GMC K1500 Sierra SL 5.7L (1994–1995)
- GMC K1500 Sierra SLE 5.0L (1994–1995)
- GMC K1500 Sierra SLE 5.7L (1994–1995)
- GMC K1500 Sierra SLS 5.0L (1995)
- GMC K1500 Sierra SLS 5.7L (1995)
- GMC K1500 Sierra SLT 5.0L (1994–1995)
- GMC K1500 Sierra SLT 5.7L (1994–1995)
- GMC K1500 Sierra Special 5.0L (1994–1995)
- GMC K1500 Sierra Special 5.7L (1994)
- GMC K1500 Suburban Base 5.7L (1994)
- GMC K1500 Suburban SLE 5.7L (1994)
- GMC K2500 Sierra SL 5.0L (1994–1995)
- GMC K2500 Sierra SL 5.7L (1994)
- GMC K2500 Sierra SLE 5.0L (1994–1995)
- GMC K2500 Sierra SLE 5.7L (1994–1995)
- GMC K2500 Sierra SLT 5.0L (1994–1995)
- GMC K2500 Sierra SLT 5.7L (1994–1995)
- GMC K2500 Suburban Base 5.7L (1994–1995)
- GMC K2500 Suburban SLE 5.7L (1994–1995)
- GMC K2500 Suburban SLT 5.7L (1995)
- GMC K3500 Sierra SL 5.7L (1994–1995)
- GMC K3500 Sierra SLE 5.7L (1994–1995)
- GMC K3500 Sierra SLT 5.7L (1994–1995)
- GMC P3500 Base 5.7L (1994–1996)
- GMC Yukon Base 5.7L (1994–1995)
- GMC Yukon SLE 5.7L (1994–1995)
- GMC Yukon SLT 5.7L (1995)
| Part No. | 19018-1 |
|---|---|
| Brand | COMP Cams |
| Part Type | Engine Rocker Arm |
| Weight | 0.45 lb |
| UPC | 036584373629 |
| Country of Origin | USA |
Platform-level fitment (Ford + GM, Phase 1). We publish the engine platform a part is built for — not year-and-trim application data — so nothing here confirms a fit on a specific vehicle. Confirm fitment with us before ordering: (714) 202-7886.