PEM Standard Quick Change Gears - Set #9 Backing Plate T-Bolt you will note that gaskets

you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned something that won't happen with inferior quality head studs

headers and low gears

Red Anodized Coat

Strap Mount

645 in OD Step

PEM Standard Quick Change Gears - Set #9 Backing Plate T-Bolt you will note that gasketsProduct Description: Quick Change Gear Set Standard Set 9 10 Spline 4. 11 Ratio 4. 98 3. 39 4. 86 Ratio 5. 88 4. 01 Steel Sold Individually PEM Racing (Performance Engineering and Manufacturing) offers a wide selection of quick change gear sets, ring and pinion gears, differential cases, and other rear end components.