Borrowed this from another forum:
It’s Official! – Changes for 2007 Corvettes
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Just in from Chevrolet… 4/18/06
Exterior Color:
83U Atomic Orange Metallic Tintcoat (a bright chromatic orange), replaces Daytona Sunset Orange Metallic
GM mailed every dealer the new color selection with an actual chip of the new color. It is MUCH brighter and lighter than Daytona Sunset Orange Metallic!!!
Interior:
Two-tone Modified Seats (perforated leather seating surface) with crossed flag embroidery and contrasting stiching.
Available in 026 Red, 316 Cashmere, 846 Titanium
Available on Coupe and Convertible with 2LT or 3LT equipment packages
UK3 Steering-wheel mounted audio controls included with Bose premium audio systems (US9/U3U)
Larger glovebox storage space
UE1 OnStar now available on Z06 with 2LZ equipment group
Enhanced acoustic package reduces road noise and is included with Z06 2LZ equipment group
Bose audio enhancements
New keyless access transmitter with integrated mechanical key
CM7 Power convertible top is now included with Convertible 3LT equipment group
Cross-drilled brake rotors now included with F55 Magnetic Selective Ride Control
New Dealer Accessories Available for 2007:
Racing spoiler
Body side moldings
Racing stripe package
Z06 sillplates
Z06 427 hood badge
Hood blanket with color logo
2007 Order Guide Information
Three models:
1YY07 Corvette Coupe
1YY67 Corvette Convertible
1YY87 Corvette Z06 Coupe
1YY07 Coupe Information:
3 Packages; 1LT, 2LT, 3LT
2 Transmissions: MX0 Automatic, MN6 6 Speed
Options:
F55 Suspension Package
Z51 Suspension Package
QG7 Polished Wheels
QX1 Competition Gray Wheels
QX3 Chrome Wheels
R8C Museum Delivery
U3U Navigation with Single CD
VK3 Front License Plate Bracket
CC3 Transparent Top
C2L Transparent and Painted Top
Interior:
023 Cobalt Red
193 Ebony
313 Cashmere
843 Titanium
026 Cobalt Red Two Tone
316 Cashmere Two Tone
846 Titanium Two Tone
Colors:
10U Arctic White
19U LeMans Blue Metallic
41U Black
45U Velocity Yellow Tintcoat
67U Machine Silver Metallic
74U Victory Red
80U Monterey Red Metallic
83U Atomic Orange Metallic Tintcoat
1YY67 Convertible Information:
2 Packages; 2LT, 3LT
2 Transmissions: MX0 Automatic, MN6 6 Speed
Options:
CM7 Power Convertible Top
F55 Suspension Package
Z51 Suspension Package
QG7 Polished Wheels
QX1 Competition Gray Wheels
QX3 Chrome Wheels
R8C Museum Delivery
U3U Navigation with Single CD
VK3 Front License Plate Bracket
Interior:
023 Cobalt Red
193 Ebony
313 Cashmere
843 Titanium
026 Cobalt Red Two Tone
316 Cashmere Two Tone
846 Titanium Two Tone
Colors:
10U Arctic White
19U LeMans Blue Metallic
41U Black
45U Velocity Yellow Tintcoat
67U Machine Silver Metallic
74U Victory Red
80U Monterey Red Metallic
83U Atomic Orange Metallic Tintcoat
Top Colors:
29T Storm Gray
35T Beige
41T Black
1YY87 Z06 Coupe Information:
2 Packages; 1LZ, 2LZ
1 Transmissions: MN6 6 Speed
Options:
QL9 Polished Wheels
Q44 Competition Gray Wheels
R8C Museum Delivery
U3U Navigation with Single CD
VK3 Front License Plate Bracket
Interior:
023 Cobalt Red
193 Ebony
843 Titanium
Colors:
19U LeMans Blue Metallic
41U Black
45U Velocity Yellow Tintcoat
67U Machine Silver Metallic
74U Victory Red
83U Atomic Orange Metallic Tintcoat