COMP Cams
$408.23
Fel-Pro
$16.00
Fel-Pro
$2.96

Gates
$19.87
Cometic Gasket
$221.95

$1.11

Gates
$19.21
Fel-Pro
$77.50

Cometic Gasket
$185.33
COMP Cams
$408.23
COMP Cams
$555.11

COMP Cams
$433.72

Gates
$20.90
Cometic Gasket
$57.06
Fel-Pro
$21.15
Fel-Pro
$15.08

$3.20

Gates
$24.76

Cometic Gasket
$17.93
COMP Cams
$408.23
Yes, all parts displayed on this page are verified to fit the 1966 GMC I1000 using VCDB fitment data. Our fitment information comes directly from manufacturers and is cross-referenced with industry-standard vehicle databases.
The most popular categories for the 1966 GMC I1000 include engine, cooling, shocks-struts, and lighting. Browse our full selection to find the exact parts you need for your vehicle.
We carry parts from trusted brands including COMP Cams, Fel-Pro, Gates, Cometic Gasket, and Victor Reinz, plus many more. Filter by brand to find your preferred manufacturer.
Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.
Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.