My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams 4842-8 Flat Guide Plates for Oldsmobile 350-455 5/16" Pushrod

(Pontiac Firebird 1977-79, Grand Prix 1977, Bonneville 1977-81, LeMans 1976-77, Catalina 1977-81, Ventura 1975-77, Parisienne 1986 + 31 more models)

Part of: COMP Cams Guide Plate

Other options in this family: COMP Cams 4808-8 COMP Cams 4806-8 COMP Cams 4816-8 COMP Cams 4851-8 COMP Cams 4810-8

Manufacturer

Picture for manufacturer COMP Cams

Part Number

4842-8
5 reviews
Sale Price

$29.95

In Stock (10+)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams 4842-8 guide plate set is engineered specifically for Oldsmobile V8 engines from 350 to 455 cubic inches. These flat, one-piece guide plates provide precise pushrod alignment and valve train geometry, essential for optimal performance and reliability in high-performance applications.

Key Features:

  • Designed for Oldsmobile 350-455 V8 engines
  • Flat, one-piece construction for durability and consistent valve train control
  • Compatible with 5/16" diameter pushrods
  • Fits standard 5/16" rocker arm studs
  • Precision-machined for accurate pushrod alignment
  • Helps prevent pushrod deflection and valve train instability
  • Set includes guide plates for complete engine installation

These guide plates are essential components when upgrading to performance rocker arms or rebuilding your Oldsmobile engine's valve train. The flat design provides a stable platform for the rocker arm while maintaining proper pushrod positioning throughout the valve lift cycle.

Products specifications

Fits

Pontiac Firebird 1977-79, Grand Prix 1977, Bonneville 1977-81, LeMans 1976-77, Catalina 1977-81, Ventura 1975-77, Parisienne 1986, Bonneville (SE/SSE) 1977-81, Grand LeMans 1976-77, Grand Safari 1977-78, Safari 1987-89, Phoenix 1977 + 26 more models

Type

Flat

Pushrod Diameter

5/16

Stud Diameter

5/16

Engine Family

Oldsmobile 350-455

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

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?

Yes

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. Exemption Reason

No impact on pollution output 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 Federally Certified Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

Adjustable

No

Purchase process an amount of time from purchase, an product being shipped is short an sweet!

I like the amazon checkout.

Great prices and FAST shipping!! Definitely will buy products here again!

Lowest price on the Internet. Fast shipping.

Great price and quick shipping!

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy