RPO ZR2

Features • Standard 3.6L DI DOHC V6 with 308 horsepower and 275 lb-ft of torque • Optional 2.8L Duramax Turbo-Diesel engine with 186 horsepower and 369 lb-ft of torque • Front and rear wheel flares • 2" front and rear lift • 3.5" wider stance • 31" Goodyear Wrangler Duratrac off-road tires • Exclusive ZR2 17 x 8-inch aluminum alloy wheels • Modified rear axle with a 3.42 ratio • Front and rear electronic locking differentials • Multimatic™ shocks (DSSV) • Tubular rocker protection • Modified front and rear bumpers for better off-road obstacle clearance • Skid plates • Aggressive grille and hood combo unique to ZR2 • Off-Road Mode Technology - Seamlessly pick between Desert, Mud or Mountains • Optional full-size bed-mounted spare tire carrier ==S-Series==

Features • Ladder-type Frame with modified mounting points • 100mm wider track (3.9 inches wider than regular S-10) • Increased ground clearance (Approx 3" over Regular S-Series 4x4) • Enhanced front (7.25" ring gear) and rear (8.5" ring gear) axles w/ 3.73:1 rear-axle ratio • Larger wheel and axle bearings • 31 x 10.50" BFG A/T Tires (Pickup), 31 x 10.50" BFG Longtrails (Blazer) • 46mm gas pressurized Bilstein Monotube shocks • Rear track bar (Pickup), Rear anti-sway bar (Blazer) • Skid plates • Fender flares ==Tracker==

Features • Front and rear wheel flares • P215/75R-15 all-season tires • Exclusive ZR2 alloy wheels • Standard power windows and mirrors • Front skid plate ==History==

• 1994 - ZR2 package is introduced with the Regular Cab second-generation S-Series Pickups • 1995 - ZR2 package expanded to Extended Cab S-Series Pickups • 1996 - ZR2 package extended to two-door Blazer models. Third door was offered on extended cab models. • 1998 - Disc brakes are now standard on the front and rear wheels. Interior updated along with front grille and headlights. • 1999 - GM replaces the aluminum skid plates with composite skid plates. Side mirrors are updated. (much stronger) • Last model year the ZR2 option was offered on a regular-cab pickup. • 2001 - ZR2 package extended to Chevrolet Tracker • 2002 - ZR2 Trackers were upgraded to the LT trim level, offering optional leather upholstery • 2003 - During the production year, ZR2s begin shipping with General Ameritrac tires instead of BF Goodrich tires. • GM discontinues S-Series Pickups. This is the last year that the ZR2 is available on a pickup. • A GMC Jimmy ZR2 surfaces in Canada. The Jimmy ZR2 was unavailable in the USA. • 2004 - ZR2 available on Blazer and Tracker models. For the first time, the ZR2 is offered in 2WD. • GM discontinues Tracker including ZR2 model. • 2005 - This is the last year for the ZR2 Blazer (USA) and Jimmy (Canada) • GM discontinues all remaining S-Series models. RPO ZR2 is phased out. • 2017 - GM reintroduces the ZR2 option on the Chevrolet Colorado. • 2022 - GM introduces the ZR2 option on the Chevrolet Silverado 1500. • 2023 - GM introduces the ZR2 option on the Chevrolet Silverado 2500HD. == References ==