Looking for aftermarket parts to modify or upgrade your GMC C25 Suburban with intake gaskets? At Tunersports.com we carry a huge selection of the top name brand performance intake gasket parts and accessories.

SHIPS FROM MANUFACTURER C15041-060Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic GM Gen-V/VI BB V8 .060in Fiber Intake Mani Gasket Set-1.848in x 2.042in Oval Port 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $58.62 |
SHIPS FROM MANUFACTURER C15271-060Cometic Chevrolet Mark-IV Big Block V8 Intake Gasket .060in 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $58.72 |
SHIPS FROM MANUFACTURER C15290Cometic Chevy Gen IV Big Block V8 .059in CFM-20 Intake Mani Gasket Set-2.500in x 1.775in Ports 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $66.51 |
SHIPS FROM MANUFACTURER C15290-125Cometic Chevy Gen IV BB V8 .059in CFM-20 Intake Mani Gasket Set-2.500in x 1.775in Ports 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $66.51 |
SHIPS FROM MANUFACTURER C15304Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic GM Gen-V/VI BB V8 .125in Fiber Intake Mani Gasket Set-1.750in x 2.500in Rect. Port 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $66.95 |
SHIPS FROM MANUFACTURER C15320Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark IV V8 .060in Fiber Intake Mani Gasket Kit-2.160in x 1.850in Rect. Ports 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $61.71 |
SHIPS FROM MANUFACTURER C15321Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark IV V8 .060in Fiber Intake Manifold Gasket Kit-2.500in x 1.750in Rectangular Ports 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $61.71 |
SHIPS FROM MANUFACTURER C15321-125Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark IV V8 .125in Fiber Intake Manifold Gasket Kit-2.500in x 1.750in Rectangular Ports 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $68.49 |
SHIPS FROM MANUFACTURER C15441Cometic GM LML Duramax .014in Rubber Coated Steel Throttle Body Gasket - Air Intake to Heater 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $36.44 |
SHIPS FROM MANUFACTURER C15497-060Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Gasket Chevrolet MkIV / GM Gen-V/VI Big Block V8 .060in Fiber Intake Manifold Gasket 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $42.66 |
SHIPS FROM MANUFACTURER C15500-060Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic GM Gen-V/VI BB V8 .060in Fiber Intake Mani Gasket-w/ Reher-Morrison 12 Deg Raptor II Heads 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $52.53 |
SHIPS FROM MANUFACTURER C15506-060Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic GM Gen-V/VI BB V8 .060in Fiber Intake Mani Gasket-w/ Pro-Filer Hitman 12 Deg Series 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $45.31 |
SHIPS FROM MANUFACTURER C15689-060Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV Big Block V8 .060in Fiber Intake Mani Gasket Set-1.835in x 2.578in Rec. Port 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $58.62 |
SHIPS FROM MANUFACTURER C15693-060Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV Big Block V8 .060in Fiber Intake Mani Gasket Set-1.811in x 2.052in Rec. Port 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $58.62 |
SHIPS FROM MANUFACTURER C5320Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV BB V8 .060in Fiber Intake Mani Gasket-2.050in x 1.820in Oval Ports-10 Pack 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $159.93 |
SHIPS FROM MANUFACTURER C5374Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic GM Gen-V/VI BB V8 .060in Fiber Intake Mani Gasket Set-1.750in x 2.500in Rect. Port-10 Pack 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $159.93 |
SHIPS FROM MANUFACTURER C5419-031Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV Big Block V8 .031in Fiber Intake Mani Gasket Set 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $55.46 |
SHIPS FROM MANUFACTURER C5419-047Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV Big Block V8 .047in Fiber Intake Mani Gasket Set 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $55.46 |
SHIPS FROM MANUFACTURER C5419-060Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV Big Block V8 .060in Fiber Intake Mani Gasket Set 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic $55.46 |
SHIPS FROM MANUFACTURER C5419-094Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV Big Block V8 .094in Fiber Intake Mani Gasket Set 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $65.09 |
SHIPS FROM MANUFACTURER C5419-125Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV Big Block V8 .125in Fiber Intake Mani Gasket Set 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $83.42 |
SHIPS FROM MANUFACTURER C5419-188Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV Big Block V8 .188in Fiber Intake Mani Gasket Set 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $58.23 |
SHIPS FROM MANUFACTURER C5428-039Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV Big Block V8 .039in Fiber Intake Mani Gasket Set 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $55.46 |
SHIPS FROM MANUFACTURER C5428-047Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV Big Block V8 .047in Fiber Intake Mani Gasket Set 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $55.46 |
SHIPS FROM MANUFACTURER C5428-060Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV Big Block V8 .060in Fiber Intake Mani Gasket Set 1975-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic $55.46 |