Looking for aftermarket parts to modify or upgrade your GMC C15 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 7110Edelbrock part #7110 Street Tunnel Ram intake manifold is designed for 302-327-350-400 c.i.d. small-block Chevy V8's operating below 7500 rpm where low-end torque is not a prime factor. Great for engines with slightly modified heads. Will not fit 1987 and later cast iron heads. Use with cam kit #500... Edelbrock Str Tunnel Ram 350-400 Manifold 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $719.98 |
OUT OF STOCK 71101Edelbrock part #71101 Street Tunnel Ram intake manifold is designed for 302-327-350-400 c.i.d. small-block Chevy V8's operating below 7500 rpm where low-end torque is not a prime factor. Great for engines with slightly modified heads. Will not fit 1987 and later cast iron heads. Use with cam kit #50... Edelbrock Polished Str Tunnel Ram 350-400 (7110) 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $1,269.95 |
IN STOCK - DROPSHIPS 7115Edelbrock part #7115 Street Tunnel Ram 2-O intake manifold is designed for use on 396-502 c.i.d. big-block Chevy V8's with large oval-port heads (1975 and earlier). Ideal for applications such as pro-street or marine where low-end torque is not a prime factor. Use with Performer RPM cam/kit #7162 fo... Edelbrock Str Tunnel Ram 396-454 Manifold 1975-1975 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande $899.93 |

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 C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $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 C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $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 C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $584.35 |
IN STOCK - DROPSHIPS 7161Edelbrock part #7161 Performer RPM 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). This dual-plane high rise intake manifold delivers outstanding horsepower while maintaining good torque and driveability. No provisions for ... Edelbrock Performer RPM 396 Oval Manifold 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $447.59 |
IN STOCK - DROPSHIPS 7163Edelbrock part #7163 Performer RPM 2-R intake manifold is designed for street 396-502 c.i.d. Chevrolet V8's with high-performance rectangular-port cylinder heads. This dual-plane high-rise manifold offers maximum horsepower with a broad torque curve. No provisions for exhaust heated chokes. Accepts ... Edelbrock Performer RPM 454 Rect Manifold 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $455.22 |

IN STOCK - DROPSHIPS 7520Edelbrock part #7520 Air-Gap Dual-Quad-O intake manifold is designed for street 396-502 c.i.d. Chevy V8's with 1975 & earlier oval port heads. This intake stands 7/8" taller than the low-profile C-66-O dual-quad intake and offer performance improvements in the 1500-6500 rpm range. The large runners ... Edelbrock Manifold Dual Quad RPM Air Gap BB Chevy Oval Port 1975-1975 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande $662.79 |
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 C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $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 C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $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 C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $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 C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $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 C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $803.87 |

SHIPS FROM MANUFACTURER 3011366FAST? Single Plane Intake Manifolds are designed to produce tremendous horsepower and high RPM torque from 3500-7500 RPM (Big Block Chevy), 4500-8500 RPM (Small Block Chevy, 351W Ford) and 4500-9000 RPM (289/302 Ford). All manifolds accept square bore, four-barrel 4150-style throttle bodies, such as... FAST Intake Manifold BBC 4500 Open 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half $662.99 |
SHIPS FROM MANUFACTURER 3011454FAST? Single Plane Intake Manifolds are designed to produce tremendous horsepower and high RPM torque from 3500-7500 RPM (Big Block Chevy), 4500-8500 RPM (Small Block Chevy, 351W Ford) and 4500-9000 RPM (289/302 Ford). All manifolds accept square bore, four-barrel 4150-style throttle bodies, such as... FAST Intake Manifold BBC 4150 Open 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half $573.30 |