Performance Upgrades

C3 Corvette owners love their cars, but sometimes we all want to add just a little more personalized giddyup and go. Modern Gen Auto shares your enthusiasm for making the best even better. We offer everything from the smallest Hi-Flow thermostat to performance carburetors, fuel injection systems, and alternators. Check out our selection and let us know if there's anything we do to help you find what you need to enhance your Corvette.
Products (Total Items: 161)
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Starter Heat Shield
Sale
$39.99  $34.99
C3 Corvette 1968-1982 Edelbrock Performer/Torker Plus Camshafts
Sale
$254.99  $194.99
C3 Corvette 1968-1969 K&N Replacement Air Filter
Sale
$97.99  $82.99
C3 Corvette 1970-1974 Replacement Air Filter Element
Sale
$16.99  $14.99
C3 C4 Corvette 1981-1991 Thermostat - 160 Degree
Sale
$49.99  $31.99
Air Filter Cleaning Kit for Reusable Air Filters
Sale
$24.99  $18.99
C3 Corvette 1968-1982 MSD 6AL-2 Ignition Control
Sale
$341.99  $326.99
C3 Corvette 1968-1982 MSD 6AL Ignition Control
Sale
$303.99  $284.99
Holley Performance EFI Fuel Regulator
Sale
$334.99  $304.99
Automatic Transmission Cooler
Sale
$84.99  $64.99
C3 Corvette 1968-1969 Intake Manifold Vacuum Fittings
Sale
$35.99  $26.99
C3 Corvette 1968-1974 Big Block Timing Chain/Gear Set
Sale
$54.99  $46.99
C3 Corvette 1968-1969 Air Cleaner Assembly - 427 w/ 3X2
Sale
$359.99  $319.99
LS Engine Lift Plate w/ Bolts
$79.99
JMS Performance Dry Nitrous Kit
Sale
$1,368.99  $1,244.99
FiTech Go Street EFI 400HP Throttle Body
Sale
$994.99  $904.99
FiTech Meanstreet EFI 800HP Throttle Body
Sale
$1,214.99  $1,104.99
FiTech Go EFI 4 - 600HP System - Power Adder Throttle Body
Sale
$1,324.99  $1,204.99
FiTech Go EFI 8 - 1200HP Power Adder Plus Throttle Body
Sale
$1,657.99  $1,506.99
FiTech Go EFI Inline Frame Mount Fuel Delivery Kit
Sale
$323.99  $294.99
FiTech Go EFI 2x4 1200HP Power Adder Dual Throttle Bodies
Sale
$2,424.99  $2,204.99
FiTech Go EFI 4 - 600HP System Throttle Body
Sale
$1,104.99  $1,004.99
DEI 3ft High-Temp Resistant Exo Sleeve
Sale
$43.99  $33.99
DEI Heat Sheath GOLD
$24.99
DEI CryO2 Tank and Installation Kit
Sale
$439.99  $399.99
DEI CryO2 Spare 10lb Tank
$209.99
DEI CryO2 Cryogenic Fuel Bar
Sale
$69.99  $64.99
DEI CryO2 Fuel Chilling System
Sale
$304.99  $276.99
DEI CryO2 Solenoid Valve
$74.99
DEI CryO2 Adjustable Timer Switch
$99.99
DEI CryO2 Push Button Switch
$19.99
Xona Rotor Turbocharger XR-56 Series - Size Selection
Sale
$1,594.99  $1,564.99
Xona Rotor Turbocharger XR-64 Series - Size Options
Sale
$1,704.99  $1,674.99
Xona Rotor Turbocharger XR-65 Series - Housing Size Options
Sale
$1,804.99  $1,784.99
Xona Rotor Turbocharger XR-67 Series - Size Options
Sale
$1,834.99  $1,820.99
V-Band Housing Inlet - Flange & Clamp Options
Sale
$41.99  $37.99
V-Band Housing Outlet - Clamp & Flange Options
Sale
$41.99  $37.99
T3 Housing Inlet & Outlet - Clamp & Flange Options
Sale
$41.99  $37.99
Y-Block Fitting - Size Options
$29.99