SpeedTech Extreme Chassis

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Introducing the Speedtech Performance Full Frame with Torque Arm Rear Suspension or optional Independent Rear Suspension. Available models for the SpeedTech Extreme full chassis: 1 964-1972 GM A-Body / Chevelle etc. 1963-1979 Corvette C2 & C3 1955-1957 Chevy 210 / Bel Air Etc. 1971-1976 Chevy Impala 1955-1987 Chevy Trucks 1953-1956 Ford F100 EXTREME CHASSIS FEATURES AND BENEFITS: Box welded construction with tabbed through frame gusseting for added torsional rigidity Torque arm rear suspension puts loads into the center of the chassis significantly reducing pitch Torque arm controls pinion angle change to a minimal amount, virtually zero Exclusively equipped with forged 7075 Aircraft Aluminum ExtReme spindle (more info below) Up to 27-33 degrees of steering angle equal to or slightly more than O.E. Corrected Ackerman for better grip while cornering providing up to 20% more inside tire grip when cornering Corrected scrub radius for large diameter wheels in wider widths Virtually zero bump steer – .005” standard over full travel (can be tuned) Industry leading design for lower roll center optimized for each chassis Excellent comfort on the street, durable for autocross & track days Increased shock length providing more suspension travel 78% motion ratio for faster shock response and more precise control 3-piece Chromoly tubular splined sway bar standard and a variety of spring rates available Sway bar arms are 3 position adjustable for tuning without changing bar Front and rear ride height adjustments accommodate your vision for styling of the finished car Articu-link trailing arms with Delrin bushings eliminate binding found in other systems Pinion angle is stable with virtually no change through the rear axle range of motion, acceleration and braking. Rear Roll Center is adjustable over a wide range via the pan hard bar Pinion angle can be adjusted to perfectly set your driveline angle Wheel base can be adjusted via the Speedtech Performance exclusive Articu-link All Speedtech Performance Chassis come with a new Dutchman 9” housing and axles Uses factory body mounts EXTREME CHASSIS WITH TORQUE ARM REAR SUSPENSION INCLUDES: Full Speedtech Performance ExtReme Chassis Custom designed upper and lower control arms JRI mono tube nitrogen charged single adjustable coil over shock, with spring – valved for our ExtReme suspension Adjustable, splined sway bar with options for street, pro-touring/auto cross and ExtReme race Sweet Mfg. dual power rack and pinion steering ExtReme forged spindles with C7 hubs Fully adjustable transmission cross member fits all common Eng. and Trans. combinations Full Torque Arm rear suspension Heavy duty 9” housing and axles with Torque Arm brackets and Pan Hard Bar Bracket welded on 31 spline pro street axles (can be upgraded to 35 spline axles in options) New 9” rear axle housing with 3”x .250” tubes and Big Ford New Style Ends, 2.5” axle offset (full Floater Option available) SPEEDTECH PERFORMANCE FORGED SPINDLE FEATURES AND BENEFITS: Included with all ExtReme front suspensions and only available from Speedtech Performance We took the best forged aluminum spindle made and made it better Forged from high quality, light weight 7075 aerospace aluminum Optimized geometry unlike in any other Corvette style spindle in the industry Significantly improved KPI/SAI angle Scrub radius optimized for KPI/SAI changes and larger wheels Requires less caster to achieves optimum tire contact patch Billet steering arm provides increased Ackerman angle Achieves optimum tire slip-angles to provide increased front tire grip Maintains optimum tire grip with less backspaced wheels Brakes caliper bolt pattern is carryover from C5 & C6 Corvette opening up many options Comes standard with maintenance free factory GM C7 Corvette hubs & bearings Excellent design attributes for street cars and race cars SpeedTech Spindle provides a more refined and precise driving experience in all situations Show more