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 Cottons Performance Center
 105 Walnut St.
 Agawam, MA 01001
 Ph:  (413) 789-0531
 Fx:  (413) 789-0401
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Home » MAIN PARTS LISTING -- CLICK HERE » Cylinder Heads & Air Intake » Intake Components

Product ID: 217-437
Idle Air Control Sensor
AC Delco Idle Air Control Sensor
Price: $79.99

Plenum Gasket
Product ID: 24502


Upper intake gasket for stock style plenums

Price: $4.00

Vacuum Block, stock
Product ID: 6796-Buick


This aluminum vacuum block is bolted to the top of the throttle body on the 1986-1987 Turbo Regals.
Price: $44.95

Vacuum Block w/ fitting
Product ID: 6797-Buick


w/ extra vacuum fitting for vacuum brakes

 The vacuum block is bolted to the top of the throttle body on the 1986-1987 Turbo Regals.

Price: $49.95

Intake Manifold Bolt Kit
Product ID: ARP423-2001


ARP lower intake manifold stainless hex head bolts and washers
Price: $49.00

Accufab 70mm Throttlebody
Product ID: B70


Accufab's 70mm throttle bodys are CNC machined from high quality billet aluminum and then polished to a mirror finish.  Each is hand assembled with the finest brass, stainless steel and other top quality component parts.

Includes one throttle body gasket and screws to mount to your plenum

Price: $319.00

EGR Block Off Plate
Product ID: CRH-B1201
EGR Block Off Plate
Price: $19.95

IACV Angle Boss, Champion
Product ID: ENG133


Designed by Champion Racing Heads this item solves clearance problems involving wiring harness connection to the IAC valve when running non-stock turbos with large inlet tubes. The Champion IAC valve adapter indexes the IAC valve 45 degrees in relation to the throttle body. This allows easy access for wiring harness connection.

Price: $69.95
Out of Stock

IACV Angled Housing
Product ID: ENG134


Replace that crummy looking idle air control valve housing and angle your IAC to make room for bigger intakes at the same time with Cotton's polished aluminum IAC angled housing. Comes with gasket and hardware.
List Price: $79.95
Price: $79.95

Vacuum Block, 1/8" NPT
Product ID: ENG135


Cotton's aluminum vacuum block accepts SIX 1/8" NPT fittings for custom vacuum lines... comes with gasket and mounting hardware.

* Does not include fittings


Kit option includes:

12x straight 1/8" NPT fittings

20 ft of 5/32" hard vacuum line

List Price: $39.95
Price: $29.95

Aluminum Stock Up Pipe Replacement
Product ID: GN1-SUP


This is a GN1Performance "Stock Replacement Up Pipe" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item is a great upgrade from the factory steel throttle body up pipe. It is polished 2.5" aluminum pipe and also comes with (2) 2.5 hoses and (4) heavy duty T-bolt clamps.

Price: $89.00

Champion Full Ported Intake
Product ID: HE120


The Champion GN1 ported OEM aluminum intake manifold is highly recommended when considering any engine performance modifications. The perfect companion to either the GN1 Aluminum or Iron cylinder heads. All manifolds are de-greased and glass bead cleaned before a thorough inspection. The EGR tower is machined out and welded closed before the final polishing stage. There will be a $400 core charge billed to the customer until a core has been received. Please note...
List Price: $329.00
Price: $375.00

Champion Complete Intake
Product ID: HEGN1-6000A


Complete intake assembly for the Buick Off-Center V6 block with Champion heads. Comes with billet aluminum fuel rails, cast 70mm upper plenum and mounting hardware and bolts. The EGR tower is machined out and welded closed before the final polishing stage. Requires an aftermarket fuel pressure regulator.

Also available for ON-CENTER applications

Price: $879.95

Intake Plenum Spacer
Product ID: HE-IPS


Champion GN1 plenum spacer for stock style plenums & intake manifolds, made of billet aluminum. Comes with gaskets and hardware
Price: $0.00

Silicone Transition Coupler
Product ID: HOS300


Race Proven 4 Ply Reducer Coupling! Designed for High Tempearture, High Boost Applications. Won't swell or burst under extreme conditions


Price: $0.00

MAF Pipe Hose Set
Product ID: MAF101


Set of two race proven 3" diameter, 3" in-length silicone couplers for your aftermarket MAF pipe, in your choice of color. Four mild stainless worm screw clamps included.

Price: $24.00

Intake Manifold Gasket Set
Product ID: MS96033


Felpro intake manifold valley-pan gasket and seals. Comes with RTV black silicone for an air-tight seal.
Price: $47.45

Precision 70mm Upper Plenum, Cast
Product ID: P-022-1010


This new design was developed to address the severe airflow distribution issue with the factory upper plenum. The factory upper plenum, although good for its time, has an inherent design flaw that allows significantly more airflow to the back two cylinders which can create a lean condition when increasing the power on these vehicles.

Includes a new GM upper plenum to intake gasket, and new fastener hardware, for a true bolt-on installation.

Price: $149.99

Accufab 70mm Upper Plenum, Polished
Product ID: P-B70


Accufab's plenums are CNC machined from high quality billet aluminum and then polished to a mirror finish. Each plenum includes one plenum gasket and fasteners to mount to the intake (metric and standard).
Price: $249.00

Throttle Body Gasket
Product ID: TBGasket


Price: $4.00

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Jack Cotton's 8.90 @ 154MPH 1986 Buick