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SPEC 02A/02J 4-Cylinder billet steel lightweight flywheel (16lbs) for quicker revs and sharper throttle response.

02A/02J 4-Cylinder aluminum 8lb flywheel for ultra-fast revs, sharpest throttle response, and best durability.

02A/02J 4-Cylinder 11.9lb steel flywheel for fast revs, improved throttle response, superior durability, and decent street manners. Too heavy = lazy ... more info

02A/02J 6-Cylinder aluminum 8lb flywheel for ultra-fast revs, sharpest throttle response, and best durability.

02A/02J 6-Cylinder

With a big turbo you want the tallest ratio that provides full boost when you need it. With a short ratio, you're almost gauranteed to skip ... more info

Building a normally aspirated (or small turbo engine) for big revs and instant response? This ring and pinion set is the answer. Run the shortest ... more info

02J 4-Cylinder

With a big turbo you want the tallest ratio that provides full boost when you need it. With a short ratio, you're almost gauranteed to skip ... more info

Here's your pair of OEM differential replacement bearings for the 02M transmission. You'll need these when installing a Wavetrac 02M ... more info