Sonnax Powerglide 1.65 Ratio Extreme Planetary Kit 28165G-NS
$2,237.39 Each - Free Shipping
Sonnax offers complete GM Powerglide planetary assemblies in a variety of gear set options and configurations to ensure you get the performance you want without overpaying or sacrificing quality. Each comes fully assembled and ready to install.
Track-proven to 3,000 HP, Sonnax Extreme planetaries are the finest quality Powerglide planetary assemblies in the world. From carrier and output shaft to gears and thrust washers, every component is refined for maximum durability in the most demanding applications. The ring gears are even pre-drilled for the Sonnax stabilizer system to prevent vibration and broken reverse friction plates. Extreme gear sets feature Sonnax premium sun and pinion gears that also undergo the same advanced processing used in Formula 1™, NASCAR® and other high-end professional racing circuits.
1.65 ratio Extreme planetary assembly kit 28165G-NS is based off the innovative Sonnax 1.58 ratio architecture fitted with 1.80 style 12DP gears. This is the lowest numerical ratio 12DP gear set for the Powerglide that does not rely on troublesome stepped or timed pinion gears. This kit is compatible with all Sonnax extreme duty input shafts, although its primarily for use when building a big input shaft system.
Includes all the same parts found in complete Sonnax 1.65 assembly kits, minus the output shaft, rear sun gear and washer that must be purchased separately when building a big shaft system
Direct replacement, requires no special assembly or case modification
Top-quality sun and pinion gears undergo additional advanced processing for unmatched durability
Includes high-capacity reverse clutch assembly
24-Tooth billet drum flange designed to work exclusively with Sonnax clutch drums
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