There is no such thing.
The
Z51 Performance Package includes:
Z51 PERFORMANCE SUSPENSION
- Performance suspension with manually adjustable threaded spring seats, allowing the vehicle to be lowered for on-track driving
ELECTRONIC LIMITED-SLIP DIFFERENTIAL (ELSD)
- Improves traction while cornering by modulating the engagement to achieve a balance between directional control and acceleration
- Provides optimum engagement for high-speed control and stability without affecting the precise steering and turn-in
- Improves vehicle stability during spirited driving and evasive manoeuvres
PERFORMANCE RATIO REAR AXLE
Z51 PERFORMANCE BREMBO® ANTILOCK BRAKES
- Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
- Brembo 4-piston front and rear monobloc calipers
- Large 13.6" (345 mm) front rotors and 13.8" (350 mm) rear rotors
- Includes Corvette script and Z51 logo on calipers
PERFORMANCE EXHAUST
- Aggressive exhaust sound
- Increases horsepower and torque to 495 hp and 470 lb-ft of torque on Stingray models
Z51 REAR SPOILER
- Body-colour standard
- Available in Carbon Flash Metallic by ordering Carbon Flash Metallic-painted outside mirrors and spoiler
HEAVY-DUTY COOLING SYSTEM
- Rear-mounted third radiator
- Brake cooling ducts
MICHELIN® PILOT® SPORT 4S 245/35ZR19 FRONT AND 305/30ZR20 REAR, HIGH PERFORMANCE, RUN-FLAT SUMMER-ONLY TIRES
- Do not use summer-only tires in winter conditions, as it would adversely affect vehicle safety, performance and durability. Use only GM-approved tire and wheel combinations. Unapproved combinations may change the vehicle's performance characteristics. For important tire and wheel information, see your dealer.
ALL FEATURES INCLUDED WITH Z51 PERFORMANCE PACKAGE
- Required for track use
- Z51 performance Brembo® brakes
- Z51 performance suspension
- Performance exhaust
- Performance rear axle ratio
- Electronic Limited Slip Differential (eLSD)
- Z51-specific front splitter and rear spoiler
- Michelin® Pilot® Sport 4S 245/35ZR19 front and 305/30ZR20 rear, high performance, run-flat, summer-only tires1
- Heavy-duty cooling system