This plate is like a plenum spacer. Its purpose is to evenly distribute airflow to all cylinders through the intake manifold and not to add volume to the upper plenum like all previous spacers that do nothing...

Made from billet 4340 H.T., these are designed for those of you that are running higher spring pressures and larger cams these prevent the rocker shafts from breaking at their weakest point, the mounting holes...

The most common problem with these cars is blowing head gaskets. The reason very simply is there are not enough head bolts to retain the head adequately under the extreme cylinder pressures that our Buicks produce...

Use an Exhaust Gas Temperature gauge to monitor your cars performance and find hidden horsepower. Kit includes O2 stainless weld bung, O2-EGT probe adapter, compression fitting, EGT monitor and EGT probe...

This will allow you to use a large capacity oil filter in place of the stock oil filter in the stock location.

This block girdle was designed with one thing in mind, strength. Made with pride in the USA from 3/4" thick 1018 billet steel plate. Beware of imitations..

We have several different hard to find ARP bolt/stud kits.

Megacooler intercooler We designed all of our intercoolers to be the the largest, most efficient, street friendly, yet ultimate race intercoolers on the market. Nothing matches them. Buy the best when choosing an intercooler you will never be sorry. Please add in the notes what size TB and what is your turbo outlet size on the compressor so we can get your hoses and clamps correct.

This is our new hybrid boost controller. This is mounted in line between the boost source and the waste gate actuator. As boost enters it is the pressure is blocked from reaching the actuator until a set adjustable pressure then it "pulses" letting boost presser through to the actuator to control boost.

These are designed to allow you run roller rockers with the stock valve covers. These also allow you to reomve the passenger side valve cover on cars with A/C and roller rockers. They include all mounting bolts.

This oil pan increases the oil capasity 50% over the stock pan. With several nice features you have come to expect from RJC. Comes with appropriate pickup tube extension, pickup tube bolts, pickup tube gaskets. Don't forget to order the pan gasket when ordering

Billet aluminum RJC Racing pulleys, Now available in two different styles.

We have the traditional "Razor" style and the new "Executive" style. Please specify in the notes which style you prefer.

Shown is the new Executive style.

"Razor" and "Executive" style cutouts provide that unique look. Nothing else out there like it.

Black anodized pulleys are available please call us for more details on this option.

Accufab Fuel Pressure Regulator

These gaskets are made from super tough super thick 1/8" Industrial grade cork. These will not tear or crush. can be used with silicone for the ultimate seal. nothing better. We sell a lot of these because they are so durable. All RJC pan gaskets have reduced dia mounting holes for a tight seal around the pan bolts. A must if you are using a girdle or do not want an oil leak.

Cam Sensor Repair Kit

MSD plug wires taylor made. Now Available for a limited time.

valve cover breather for the stock drivers side valve cover.

positive crank case ventilation valve

This effectively takes the place of that bog EGR diaphram and blocks off the egr function. It also dresses up the intake manifold. Comes complete engraved with "Buick" and the turbo 6 symbol. very nice piece for a cheap price

Acufab 70 MM TB With RJC plenum and precision style power plate.

This Angle boss for the IAC motor mounts the IAC at a 45 deg angle to allow for larger than 3" MAF pipes. Machined from billet aluminum it takes care of all fitment issues and allows even up to 5" MAF pipes. Comes with all mounting hardware and gaskets.

in stock now.

RJC Billet Aluminum Horn Ring; This is designed to retain the stock look yet to add a touch of high tech to your steering wheel.

This will keep that damn motor down on those hard launches!

RJRACING down pipes 3" and the massive 5"