1978 GMC C15 Exhaust Gaskets

Looking for aftermarket parts to modify or upgrade your 1978 GMC C15 with exhaust gaskets? At Tunersports.com we carry a huge selection of the top name brand performance exhaust gasket parts and accessories.

Exhaust Gasket Parts:

Cometic Gasket Exhaust Gaskets

SHIPS FROM MANUFACTURER C15325HTS Cometic's HTS Gaskets feature a graphite/fiber blend mechanically bonded to a perforated stainless steel core... Cometic Chevrolet Big Block V8 .060in. HTS Exh Mani Gasket Set - 2.090in. x 2.090in. Square Ports 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $56.21 Details

SHIPS FROM MANUFACTURER C15443-030 MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV/GM Gen-V/VI BB V8 .030in. MLS Exh Hdr Gasket w/ AFR BBC Magnum 24 Degree Heads 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $49.18 Details

SHIPS FROM MANUFACTURER C5084-030 MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Mani Gasket Set-2in Square Ports 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $72.12 Details

SHIPS FROM MANUFACTURER C5151 Designed for extreme cylinder pressures... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .043in Copper Exhaust Manifold Gasket Set 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $96.07 Details

SHIPS FROM MANUFACTURER C5152 Designed for extreme cylinder pressures... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .043in Copper Exhaust Manifold Gasket 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $96.07 Details

SHIPS FROM MANUFACTURER C5251-030 MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM BBC 2.250in Round Port - 030in MLS Exhaust Gasket 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $72.12 Details

SHIPS FROM MANUFACTURER C5258 Designed for extreme cylinder pressures... Cometic GM Small Block Aluminum/Rubber Exhaust Port Cover Set - 18 Degree Heads 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $87.63 Details

SHIPS FROM MANUFACTURER C5314-064 Designed for extreme cylinder pressures... Cometic Chevy Gen1 Small Block V8 .064in AM Exhaust Gskt Set-1.500in x 1.470in Ports-18 Degree Head 1977-1978 GMC C15 High Sierra 1978-1978 GMC C15 Street Coupe $64.26 Details

SHIPS FROM MANUFACTURER C5349-030 MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Mani Gasket Set-2.015in Round Port 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $72.12 Details

SHIPS FROM MANUFACTURER C5349-064 Designed for extreme cylinder pressures... Cometic Chevy Mark-IV GM Gen-V/VI BB V8 .064in ArmorCore Exhaust Mani Gasket Set-2.015in Round Port 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $65.33 Details

SHIPS FROM MANUFACTURER C5350-030 MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Manifold Gasket Set 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $72.12 Details

SHIPS FROM MANUFACTURER C5350-042 MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .042in MLS Exhaust Manifold Gasket Set 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $72.12 Details

SHIPS FROM MANUFACTURER C5350-064 Designed for extreme cylinder pressures... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .064in ArmorCore Exhaust Manifold Gasket Set 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $65.33 Details

SHIPS FROM MANUFACTURER C5418-042 Designed for extreme cylinder pressures... Cometic Chevy Mark-IV BB V8 .042in ArmorCore Exhaust Mani Gskt Set-Brodix Big Duke/Head Hunter Heads 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $51.78 Details

SHIPS FROM MANUFACTURER C5418-064 Designed for extreme cylinder pressures... Cometic Chevy Mark-IV BB V8 .064in ArmorCore Exhaust Mani Gskt Set-Brodix Big Duke/Head Hunter Heads 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $51.78 Details

SHIPS FROM MANUFACTURER C5429-064 Designed for extreme cylinder pressures... Cometic Chevy Mark-IV BB V8 .064in ArmorCore Exhaust Mani Gasket Set 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $51.78 Details

SHIPS FROM MANUFACTURER C5892-030 Designed for extreme cylinder pressures... Cometic GM Gen 1 Small Block 1.450 in x 1.480 in Port Exhaust Manifold Set 1975-1978 GMC C15 Sierra Grande 1977-1978 GMC C15 Base $69.17 Details

SHIPS FROM MANUFACTURER C5894-030 MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .030in MLS Exhaust Mani Gskt Set-1.450in x 1.600in Rectangle Port 1978-1978 GMC C15 Street Coupe $70.16 Details

SHIPS FROM MANUFACTURER C5896-030 MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Manifold Gasket Set 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $72.12 Details

SHIPS FROM MANUFACTURER C5896C Designed for extreme cylinder pressures... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .043in Copper Exhaust Manifold Gasket Set 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $71.14 Details

SHIPS FROM MANUFACTURER C5896HTG Cometic's HTS Gaskets feature a graphite/fiber blend mechanically bonded to a perforated stainless steel core... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .094in HTG Exhaust Manifold Gasket Set 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $58.06 Details

SHIPS FROM MANUFACTURER C5896HTS Cometic's HTS Gaskets feature a graphite/fiber blend mechanically bonded to a perforated stainless steel core... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in HTS Exhaust Manifold Gasket Set 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $53.41 Details

SHIPS FROM MANUFACTURER C5897-030 MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM BBC 1.850 inch X 1.900 inch Port .30 inch MLS Exhaust Gasket 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $72.12 Details

SHIPS FROM MANUFACTURER C5897-060 MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in MLS Exhaust Manifold Gasket Set 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $98.79 Details

SHIPS FROM MANUFACTURER C5897-092 MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .092in MLS Exhaust Manifold Gasket Set 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $100.25 Details