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Looking for aftermarket parts to modify or upgrade your 1978 GMC C25 with intake manifolds? At Tunersports.com we carry a huge selection of the top name brand performance intake manifold parts and accessories.
 IN STOCK - DROPSHIPS 2161Edelbrock part #2161 Performer 2-O intake manifold is designed for street 396-502 c.i.d. big-block Chevy V8's using general duty oval-port cylinder heads. Will not fit under hood of Corvette without hood modifications. Will not fit "tall block" V8's. May be used with OEM or aftermarket carbs. Will f... Edelbrock Performer 2-O w/ O EGR Manifold 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $419.07 |
 IN STOCK - DROPSHIPS 21613Edelbrock part #21613 Performer 2-O intake manifold is designed for street 396-502 c.i.d. big-block Chevy V8's using general duty oval-port cylinder heads. Will not fit under hood of Corvette without hood modifications. Will not fit "tall block" V8's. May be used with OEM or aftermarket carbs. This ... Edelbrock Intake Manifold Perf BBC 2-0 Black 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $542.91 |
 IN STOCK - DROPSHIPS 3764Edelbrock part #3764 Performer 454 T.B.I. intake manifold is designed for street 454 c.i.d. Chevy V8's. Add our Performer High-Compression heads #60499 for even greater power gains. Features EGR in stock location. Manifolds will not fit 1991-95 vehicles.... Edelbrock Performer 454 Manifold T B I 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $584.35 |
 IN STOCK - DROPSHIPS 7561Edelbrock part #7561 RPM Air-Gap 2-O intake manifold is designed for street 396-502 c.i.d. Chevy V8's with large oval-port cylinder heads (1975 and earlier) or Edelbrock Performer/Performer RPM heads. This RPM Air-Gap incorporates the same race-winning technology that's been used on our Victor Serie... Edelbrock B/B Chevy O-Port RPM Air-Gap Manifold 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $507.20 |
 OUT OF STOCK 75611Edelbrock part #75611 RPM Air-Gap 2-O intake manifold is designed for street 396-502 c.i.d. Chevy V8's with large oval-port cylinder heads (1975 and earlier) or Edelbrock Performer/Performer RPM heads. The RPM Air-Gap incorporates the same race-winning technology that's been used on our Victor Serie... Edelbrock Polished B/B Chevy O-Port RPM Air-Gap Manifold 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $825.68 |
 OUT OF STOCK 75613Edelbrock part #75613 RPM Air-Gap 2-O intake manifold is designed for street 396-502 c.i.d. Chevy V8's with large oval-port cylinder heads (1975 and earlier) or Edelbrock Performer/Performer RPM heads. The RPM Air-Gap incorporates the same race-winning technology that's been used on our Victor Serie... Edelbrock Intake Manifold Nascar Edition RPM Air-Gap for Big-Block Chevy 396-502 w/ Oval Ports 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $606.78 |
 OUT OF STOCK 7562Edelbrock part #7562 RPM Air-Gap 2-R intake manifold is designed for street 396-502 c.i.d. Chevrolet V8's with high-performance rectangular-port heads. The open air space separates the runners from the hot engine oil, and as a result, the air/fuel mixture stays cooler for a denser charge and more po... Edelbrock B/B Chev Rect Port RPM Air-Gap Manifold 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $512.41 |
 OUT OF STOCK 75621Edelbrock part #75621 RPM Air-Gap 2-R intake manifold is designed for street 396-502 c.i.d. Chevrolet V8's with high-performance rectangular-port heads. The open air space separates the runners from the hot engine oil, and as a result, the air/fuel mixture stays cooler for a denser charge and more p... Edelbrock Polished B/B Chev Rect Port RPM Air-Gap Manifold 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $803.87 |