Top 10 Best Intake Manifold For 283 Based On User Rating

Heat treated to Grade 5 specs and zinc plated to resist rust and corrosion
Designed specifically for small block Chevys Chryslers and AMCs
Three eighths coarse thread 1.00 inch long
Comes with extra thick parallel ground flat washers for a smooth consistent torque
Set of 12

DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted

Compatible with all Chevy Small Block Oem and Most Aftermarket Intake Manifolds 265 283 305 307 327 350 383 400
These are High Grade Zinc Coated Flange Bolts for Extra Clamping Force
We are an AS9100D and ISO 9001:2015 Certified Manufacturer that produces aerospace parts for The Boeing Aircraft Company and The US Military. Parts we produce fly at 30,000 feet where failure is not an option. We put the same quality into every part we produce.
When you purchase Z Whip Parts you will always get the highest quality for your vehicle that you rightfully deserve
Includes 12ea bolts.

Compatible with all Chevy Small Block Oem and Most Aftermarket Intake Manifolds 265 283 305 307 327 350 383 400
These are High Grade 18-8 Stainless-Steel Steel 3/8-16×1” Bolts and Washers That will NOT rust or Corrode like the chrome or steel ones sold. These Use a 5/16” Allen Wrench/Socket
When you purchase Z Whip Parts you will always get the highest quality for your vehicle that you rightfully deserve
We are an AS9100D and ISO 9001:2015 Certified Manufacturer that produces aerospace parts for The Boeing Aircraft Company and The US Military. Parts we produce fly at 30,000 feet where failure is not an option. We put the same quality into every part we produce.
Meets or Exceeds Industry Standard ASME / ANSI Specifications

IMPROVE ENGINE PERFORMANCE AND HORSEPOWER with this higher flowing intake manifold compared to a stock cast iron intake
DESIGNED TO FIT WITH POPULAR AFTERMARKET SQUARE BORE 4150 CARBURETORS including Edelbrock, Holley, Quickfuel, Proform, and more
IDLE TO 5500 RPM POWER BAND for street or mild race applications
FITS GM AND CHEVROLET CYLINDER HEADS from 1955 through 1986
FABRICATED FROM CAST ALUMINUM for weight savings and improved performance

Triple Chrome Plated Steel Oil Filler Tube
6-13/16 inches (long) x 1-1/4 inches (base)
1-1/2 inches (O.D.) / 1-3/8 inches (I.D.)
Fits OEM and Aftermarket Maniforlds
For Early SBC Chevy Engines with Oil Filler Tube on the Front of the intake manifold