SCORE Journal

score-journal-MAR-2020

SCORE Journal - The Official Publication of SCORE Off-Road Racing

Issue link: http://read.uberflip.com/i/1222845

Contents of this Issue

Navigation

Page 94 of 104

Colorado ZR2 Parts Guide Chevrolet Performance Parts That Turn Your Colorado ZR2 into a Baja ready beast By Dan Sanchez Want to turn your Chevrolet Colorado ZR2 into a serious, race-proven off-road vehicle? Chevrolet Performance has a variety of parts specifically for this truck that were derived from off-road racing experience. All of these components are available at Chevrolet Performance. Front leveling kit The ZR2 Front Leveling Kit with High-Angle Upper Control Arms increases front ride height by up to 1 ¼ inches, levels vehicle stance and provides a greater approach angle and room for larger diameter tires. It also features high-angle upper control arms for optimal joint articulation and increased front suspension travel. Chevrolet says the updated, sealed ball joints in this kit increase cross car articulation by up to 18%. This system provides additional integration with the DSSV Damper Spool Valves to maintain the factory ride quality of stock ZR2. Chevrolet Performance recommend use with: Ball Spline Half Shafts (84429060), Front Jounce Shock System (84403780) and Tie Rod Sleeve System (84419134). Fits 2017+ Colorado ZR2 with 3.6L Gas V6 or 2.8L Diesel. Not compatible with: ZR2 Front Long Travel DSSV Shocks (84402367) PART NO. 84621360 Front and Rear Jounce Shock Systems The Chevrolet Performance ZR2 Front and Rear Jounce Shock System, (sold separately) are designed specifically for 2017+ Colorado ZR2 models, and features a nitrogen charged hydraulic secondary suspension bump shock intended for off-road use. This complete bolt-on system (requires removal of existing jounce bumper and bracket on frame) includes both front Jounce Shocks, required mounting brackets, and all required fasteners. Front Jounce System PART NO. 84403780. The Rear Jounce System requires Jounce Striker/Leaf Spring Mount System (84422116). Chevrolet Performance recommends use with the Cross Car Beam System (84403779, V6 equipped) and Long Travel Rear Leaf Spring system (84402368) for optimum off-road performance. PART NO. 84422546 Cross Car Beam The Chevrolet Performance ZR2 Cross Car Beam System helps counteract the loads from the ZR2 Rear Jounce Shock System by creating a structural beam across the frame.  Intended for off-road use and recommended when installing the ZR2 Rear Jounce Shock system, the bolt-on Cross Car Beam System includes the beam assembly, end plates, and the required fasteners. Not available for diesel ZR2 models. PART NO. 84403779 Anti-Wrap Link The Chevrolet Performance ZR2 Anti-Wrap Link System helps prevent axle wrap under acceleration, braking, and improves suspension control in extreme off road conditions. This system is for V6 equipped 2017+ Colorado ZR2 models and intended for off-road use. Includes the frame attachment, front mount, anti-wrap bar with bushing, sealed rod end bearing, rear mount to differential cover, and all necessary mounting fasteners. Requires the Rear Differential Cover (84401895) and Long Travel Rear Leaf Spring system (84402368). Chevrolet Performance recommends use with the 1.5-inch Body Lift System (84429026) for optimal performance. Anti-Wrap Link System PART NO. 84402369 Rear Diff Cover The Chevrolet Performance ZR2 Rear Differential Cover is precision machined from 6061-T6 billet aluminum, created for the 2017+ Colorado ZR2 models and intended for off-road use. The billet differential cover provides a robust mounting platform for the Anti-Wrap Bar System, and looks great doing it thanks to the clear anodized finish and unique Chevrolet Performance logo plate. Includes all necessary hardware for installation. Can be used as a replacement for the stock cover, but is required when installing the Anti-Wrap Link System (P/N 84402369 Rear Diff Cover PART NO. 84401895 Long Travel Front DSSV Socks The Chevrolet Performance ZR2 Front Long Travel Dynamic Suspension Spool Valve (DSSV) Shocks are designed and tuned specifically for off-road racing by Chevrolet Performance and Multimatic. They provide up to a 15% increase in overall suspension travel on 2017+ Colorado ZR2 models. Enhancements from stock ZR2 DSSV Shocks include an 18mm diameter rod to accommodate higher side load, Viton seals to handle high shock temperatures, solid Heim joint lower mount, optimized Spool Valve tuning, and a threaded shock body to allow for ride height adjustments.The system includes both front shocks, top mounts with rate washers, upper spring seats, all required mounting fasteners, and are fully rebuildable through an authorized Multimatic DSSV Dealer. Requires the High Angle Upper Control Arm Ball Joint System (84402363). Chevrolet Performance recommends use with the Plunging Ball Spline Half Shaft System (84429060) and Front Jounce Shock System (84403780) for optimum off-road performance. NOTE: Does not include springs. Chevrolet Performance recommends the use of a flat ground coil over type 3" ID spring, 14" in length, with two optional rates, 650 lbs/in or 700 lbs/in. PART NO. 84402367 Long Travel Rear DSSV Socks Chevrolet Performance ZR2 Rear Long Travel Dynamic Suspension Spool Valve (DSSV) Shocks are designed and tuned specifically for off-road racing by Chevrolet Performance and Multimatic. They provide up to a 10% increase in overall rear suspension travel on 2017+ Colorado ZR2 models and feature a 16mm diameter rod for higher side load, Viton seals to handle high shock temperatures, solid Heim joint lower mount, and optimized Spool Valve tuning. Includes both rear shocks, all required mounting fasteners, and are fully rebuildable through an authorized Multimatic DSSV Dealer. Chevrolet Performance recommends use with the Long Travel Leaf Spring System (84402368), Rear Jounce Shock System (84422546), and Jounce Shock Striker/Leaf Spring Mount System (84422116) for optimum off-road performance. PART NO. 84402366 Long Travel Leaf Spring System The Chevrolet Performance ZR2 Long Travel Leaf Spring System is an optimized single rate leaf spring that replaces the stock ZR2 Dual Rate Spring.  The spring design relocates the rear axle for a better directed path of the rear tire to center in the rear wheel house in extreme travel conditions. The spring system also increases the rear ride height approximately 30mm to allow for a typical off road payload to be carried during off road events. Overall suspension travel is increased up to 11" when paired with the Long Travel Rear DSSV shocks (84402367). A direct bolt-on, the system includes both rear leaf springs, longer off-road shackles, and all mounting fasteners. Chevrolet Performance recommends use with the Jounce Striker/Leaf Spring Mount System (84422116), Long Travel Rear DSSV Shocks (84402367), Anti Wrap Link System (84402369), and Rear Jounce Shock System (84422546) for optimum off road performance. Long Travel Leaf Spring Kit PART NO. 84402368 Tie Rod Sleeve Chevrolet Performance ZR2 Tie Rod Sleeve System provides an effective solution to increase buckling strength for severe duty, off-road, and race conditions while maintaining the stock tie rods. Tested and validated in extreme off road races, the Tie Rod Sleeve System is a proven addition to the ZR2. PART NO. 84419134 High Angle Upper Control Arm Ball Joint System Chevrolet Performance ZR2 High Angle Upper Control Arm Ball Joint system enables increased upper ball joint articulation, which enables increased front suspension travel.  A direct replacement for the production unit, the high angle joint system increases cross car articulation by up to 18% and features a sealed ball joint design and boot design based on Chevrolet Performance standards providing a protected environment from off road elements. Includes front upper control arms and all fasteners for a direct bolt-on installation. PART NO. 84402363 Ball Spline half shafts Chevrolet Performance ZR2 Ball Spline Half Shafts feature fixed inner and outer Double Offset Joints and a plunging Ball Spline Shaft allowing for larger joint angles compared to production ZR2 half shafts, accommodating lifted or leveled 2017+ Colorado ZR2 models.  These half shafts provide improved articulation while reducing feedback forces through the steering system during hard cornering and off road events. Designed and validated for severe duty off-road events where speeds and loading conditions are pushed to extremes.  Includes both Ball Spline Half Shafts, and wheels nuts for complete installation. PART NO. 84429060 Steel Driveshaft The Chevrolet Performance ZR2 Steel Driveshaft offers superior resistance to impact damage in off road conditions.  Designed for use on 2017+ Colorado ZR2's during extreme off-road and rock crawling events. This 3.5-inch diameter steel driveshaft allows for increased clearance over obstacles, has a maximum driveshaft speed of 5,000 RPM and improves packaging with additional and optional off-road suspension components. Comes assembled with 1350 U-Joints and includes all required fasteners. PART NO. 84401894 Jounce Striker/Leaf Spring Mount Kit The Chevrolet Performance Jounce Striker/Leaf Spring Mount System is engineered specifically for use with the Rear Jounce Shock System and to maximize performance of the Long Travel Leaf Spring System. The Jounce Striker/Leaf Spring Mount System reduces the clamp length of the leaf spring pack, reducing stress due to travel and load, increasing performance of the spring. This system is also engineered for the ideal touchdown location for the jounce shock and supports the axle tube at the point of contact. Includes upper, mid, and lower spring spacers, and all required fasteners including new U-bolts. Required for installing the Rear Jounce Shock System (84422546). Chevrolet Performance recommends use when installing Long Travel Leaf Springs (84402368). Jounce Striker/ Leaf Spring Mount Kit PART NO. 84422116

Articles in this issue

Archives of this issue

view archives of SCORE Journal - score-journal-MAR-2020