QA1 63 Series Shock 9" Rear 4C/4R Water Neck Gasket GasketsBD Diesel Performance is unique

GasketsBD Diesel Performance is unique among its peers in that it designs

Equipped with C4 / C6 Ford transmission kickdown lever as well as TH350

The Reluctor is CNC-machined from a bil

Bert Ball Spline Tailshaft Housings

The MSD 8-Plus Ignition produces the same extreme output of the original 8-Series

QA1 63 Series Shock 9" Rear 4C/4R Water Neck Gasket GasketsBD Diesel Performance is uniqueThe 63 Series is a sealed non rebuildable version of the 62 Series. These are most commonly used in coil over applications on both dirt and asphalt tracks. The twin tube design gives excellent feel and grip across all track conditions, but they really shine when there is a lack of grip. Built as a spec shock that could be used at specific tracks or series, the 63 Series can be used in any late model or modified. QA1 specializes in high performance