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COMP Cams 1803-1 Ultra-Pro Magnum Roller Rocker Arm 1.65 Ratio 3/8" Stud

(Chevrolet Camaro 1967-92, Corvette 1955-91, Impala 1959-85, Malibu 1964-67, 1973-83, Chevelle 1964-73, Caprice 1966-96, Monte Carlo 1970-88 + 58 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

1803-1
5 reviews
Sale Price

$52.95

Estimated ship date Thursday, November 26

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Product Details

The COMP Cams 1803-1 Ultra-Pro Magnum roller rocker arm delivers precision valve train performance for high-performance engines. This individual rocker arm features a 1.65:1 rocker ratio and is designed for use with 3/8" rocker studs, providing increased valve lift compared to stock components.

Key Features:

  • 1.65:1 rocker ratio for enhanced valve lift and performance
  • Roller tip design reduces friction and side loading on valve stems
  • Ultra-Pro Magnum construction with needle bearing fulcrum for durability
  • Fits 3/8" diameter rocker studs (center stud mount)
  • Precision CNC-machined aluminum body for strength and light weight
  • Heat-treated components for extended service life

This rocker arm is ideal for street performance and racing applications where precise valve control and reduced friction are critical. The roller tip minimizes wear on valve stems while the needle bearing fulcrum provides smooth, consistent operation even at high RPM. Sold individually to allow custom valve train configurations or replacement of damaged components.

Products specifications

Fits

Chevrolet Camaro 1967-92, Corvette 1955-91, Impala 1959-85, Malibu 1964-67, 1973-83, Chevelle 1964-73, Caprice 1966-96, Monte Carlo 1970-88, Nova 1962-67, 1969-79, Chevy II 1962-68, Bel Air 1955-75, Biscayne 1958-72, Monza 1975-79 + 53 more models

Quantity

Sold individually.

Rocker Arm Body Style

Standard

Rocker Arm Finish

Natural

Rocker Arm Material

Stainless steel

Rocker Arm Mounting Style

Stud

Rocker Arm Nut Style

Polylock

Rocker Arm Style

Full roller

Self-Aligning

No

Shims Included

No

Stud Size

3/8 in.

Title

1803-1 Rocker, CS 1.65 3/8" Ultra Pro Mag XD

Engine Make/Size

Chevy 200-262

AMAZON ASIN

B0066SZZ4G

Order 12486. Item was simple to find and the website made it very easy to navigate. I appreciated the ability to pay with paypal and email notifications gave me confidence that everything was taken care of properly.

shipment came on time, and was nicely wrapped.

Just received my order! I placed the order Sunday night and received it on Tuesday, super fast shipping! The SS vent caps look great and arrived in perfect condition. Thanks!

Autoplicity has the best prices online. Fast ordering process and tracking numbers are sent out the next business day. I highly recommend autoplicity!

Return customer with a few more future purchases in mind...best price plus quick shipping means these guys are just that good!

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