Product#: F15923

Flowmaster; 3.5" Collector To 3" System; Header Collector Ball Flange Set

This header collector set takes the place of messy three-bolt, flange-type connections and allows for a leak-free and gasket-free ball-flange type connection. Made in USA Emission Note: 50- State Legal This part is legal...

Product#: F15925

Flowmaster; 3" Collector To 2.5" System; Header Collector Ball Flange Set

This header collector set takes the place of messy three-bolt, flange-type connections and allows for a leak-free and gasket-free ball-flange type connection. Made in USA Emission Note: 50- State Legal This part is legal...

Product#: EMF1012

1969 Long Branch Exhaust Manifold Flange Ram Air

Reproduction 2-hole iron exhaust manifold flange for Ram Air III models that use the "long branch" style exhaust manifolds. Connects the exhaust manifold to the head pipe on Ram Air III engines with "long branch" manifolds...

Product#: EMF1002

1970-74 Ram Air/H.O. 2-Bolt Exhaust Manifold Flange

Reproduction 2-hole iron exhaust manifold flange for 1970-1974 Ram Air III/Ram Air IV, 1971-1972 455 H.O. and 1973-1974 SD-455 models. Fits LH manifold. Connects the exhaust manifold to the head pipe on Ram Air and H.O....

Product#: TA4013

1977-79 Pontiac Trans-Am; Oldsmobile 403; Engine Exhaust Manifold Bolt Lock Set; 4 Pieces

Reproduction exhaust manifold bolt locks for 1977-79 Trans Am models with 403ci Oldsmobile engine. These are used to lock exhaust manifold bolts in place after they are tightened down. 2 locks per side.

Product#: A8700501

1970 Pontiac Firebird - Exhaust Manifold Flanges (Pair)

Ram Air III D-port exhaust manifold flanges for 1970 Firebird models. These come from a new improved mold which are bored out for better flow. Each manifold is coated with high temprature 500° engine paint to preserve the...

Product#: 21103

Hedman Hedders; 3-Bolt Header Flange Reducers; 3" To 2-1/2"; Mild Steel

3-bolt flange header reducers from Hedman Hedders. These reducers have two flat mating surfaces with a gasket for a leak-free joint. Necessary gaskets and hardware included.

Product#: EMF1003

3-Bolt Exhaust Manifold Flange

Reproduction 3-hole iron exhaust manifold flange for 1967 Ram Air/H.O. (both sides), 1968-1974 Ram Air IV/Ram Air III, 1971-1972 455 H.O. and 1973-1974 SD-455 models (RH side). Connects the exhaust manifold to the head pipe...

Product#: 17470

1982-92 GM F-Body 2-1/2" 3-Bolt Y-Pipe Set

These Y-pipe assemblies are exclusively for use with Hedman Hedders, and will not fit other, "similar" style headers. This application is for gasket-style collectors which can be matched to your specific Hedman header part...

Product#: 21114

Hedman Hedders; 3" Ball & Socket Header Reducers; 3" To 2-1/4"; Mild Steel

3" ball and socket style header reducers from Hedman Hedders. 2-1/4" Exhaust System, Mild Steel. Necessary hardware included. {specs}

Product#: A970141A

1998-2000 Camaro, Firebird; LS1; Smog Block Off Kit; Billet Aluminum; with Gasket, Hardware

Smog block-off kit for use with 1998-2000 Camaro and Firebird models with LS1. Plates are manufactured in Billet aluminum. Kit includes: 1 LS1 EGR intake block off, 1 EGR block off plate for passenger side exhaust manifold,...

Product#: A970143B

1998-00 Camaro, Firebird; LS1 Smog / Air Pump Tube Block-Off Plate with Black Anodized Finish

1998-2002 Camaro/Firebird LS1 Smog/Air Pump Tube Block-Off Plate for exhaust manifold/header. CNC Billet Aluminum plate with counter bored holes. Comes with gasket and stainless steel bolts. Sold individually. 2 required. 1...

Product#: 60406

Painless Oxygen Sensor Bung Fitting

Weld-in oxygen sensor fitting for all fuel injection systems. Fits TBI, TPI, CMFI, LT1, LSX, 5.0L and most other oxygen sensors. Important: This part requires welding for installation. Professional installation is...

Product#: A970141B

1998-00 Camaro, Firebird LS1; Exhaust Block-Off Plate Kit; with Black Anodized Finish; w/Gaskets and Hardware

Smog block-off kit for use with 1998-2000 Camaro and Firebird models with LS1. Plates are manufactured in Billet aluminum. Kit includes: 1 EGR block off plate for passenger side exhaust manifold, and 2 SMOG block off plates...

Product#: A970143A

1998-2000 Camaro, Firebird; LS1 Smog/Air Pump Tube Block-Off Plate; Billet Aluminum; Natural Machined Finish

1998-2002 Camaro/Firebird LS1 Smog/Air Pump Tube Block-Off Plate for exhaust manifold/header. CNC Billet Aluminum plate with counter bored holes. Comes with gasket and stainless steel bolts. Sold individually. 2 required. 1...

Product#: 66757

PROFORM Wedge-Locking Collector Bolts & Nuts 3/8"-16 Thread Diameter - 1" Long (Set of 6)

PROFORM Grade 8 (12.9 steel) exhaust collector bolts and nuts are designed to keep bolts from getting loose. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently...