Page 231 - 2021-22 Auto Performance_Hot Rod and Early Muscle
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Competition Headers
HKR2455
1-5/8" X 30" 3" 1-5/8" X 30" 3"
Years
Engine
Part No.
Metallic Ceramic Coating
"Darksides" Black Ceramic Coating
Footnotes
P/S
P/B
A/C
Transmission
Tube Size OD In
Coll. Size OD In
Auto Col.
Auto Flr.
Std. Col.
Std. Flr.
Chevrolet Passenger (Full Size)
1965-70 265-400
1971-89 265-400
1965-70 396-502
1971-74 396-502
Chevrolet Chevelle, El Camino
1964-87 265-400 HKR2451 HKR2451-1 HKR2451-3 1964-74 396-502 HKR2455 HKR2455-1 — Chevrolet Monte Carlo
1970-87 265-400 HKR2451 HKR2451-1 HKR2451-3 1970-74 396-502 HKR2455 HKR2455-1 HKR2455-3 Chevrolet Chevy II, Nova
127 117, 127 — 90
117, 127 —
117, 127 —
127 —
127 — 117, 127 — 62, 92
22, 127
117, 127 117, 127
Y Y Y Y Y Y Y Y
Y Y Y Y
Y Y Y Y
Y Y Y Y
Y Y Y Y Y Y Y Y Y Y
Y Y
Y Y Y Y
9 Y 9 N Y Y Y N
9 Y Y Y
9 N Y N
9 Y Y Y
9 N Y N 9 N Y N Y N
9 N
Y Y Y Y
Y Y Y N Y Y Y Y Y N Y N
Y Y Y Y Y Y
N Y Y N Y Y
Y Y Y Y Y Y
Y Y Y Y Y Y Y Y Y Y N Y Y N Y
Y N Y
Y Y N Y Y N
Y Y N Y Y N
Y Y Y
Y Y Y
Y Y Y
Y Y Y
N N Y
Y Y Y N Y Y
Y N Y Y Y Y Y N Y
Y Y Y
HKR2451 HKR2451 HKR2457 HKR2455
HKR2451-1 HKR2451-3 HKR2451-1 HKR2451-3 HKR2457-1 — HKR2455-1 HKR2455-3
2"X27" 2"X30"
3-1/2" 3-1/2"
1-5/8" X 30" 3"
2"X30"
1-5/8" X 30" 3"
3-1/2"
2"X30"
1-5/8" X 30" 3"
3-1/2"
1968-79 265-400 HKR2451 1968-74 396-502 HKR2457 Chevrolet Camaro
HKR2451-1 HKR2451-3 HKR2457-1 —
2"X30"
1-5/8" X 30" 3"
3-1/2"
1967-69 265-400
1967-69 396-502
1970-81 265-400
1970-72 396-502
1982-92 265-400
Chevrolet Corvette
1955-82 265-400 HKR2456
1/2, 3/4, 1 Ton Truck (2WD)
1963-72 265-400 HKR2452 HKR2452-1 — 1973-87 265-400 HKR2452 HKR2452-1 — 1/2, 3/4, 1 Ton Truck (4WD)
HKR2451 HKR2457 HKR2451 HKR2455 HKR2460
HKR2451-1 HKR2451-3 HKR2457-1 — HKR2451-1 HKR2451-3 HKR2455-1 HKR2455-3 HKR2460-1 —
2"X27"
1-5/8" X 30" 3"
2"X30"
1-5/8" 3"
3-1/2"
HKR2456-1 —
3-1/2" 1-5/8" X 24" 3"
1967-72 265-400 HKR2453 HKR2453-1 —
1973-87 265-400 HKR2452 HKR2452-1 —
Dodge/Plymouth Passenger (B And E Bodies)
1967-74 383-440 HKR5903 HKR5903-1 — 10, 200
Dodge Challenger/Plymouth Barracuda
1970-74 383-440 HKR5903 HKR5903-1 — 10, 200
Dodge/Plymouth All B And E (A And F Bodies)
1967-82 273-360 HKR5901 — — 10, 201
Ford/Mercury Cyclone, Falcon, Fairlane, Montego, Torino, Ranchero
1-5/8" X 27" 1-5/8" X 27"
1-5/8" X 27" 1-5/8" X 27"
2-1/2" 2-1/2"
2-1/2" 2-1/2"
127 117, 127
— 44, 68 83 Y Y N — 44,68 83 Y Y N
Y Y Y Y
9 N 9 N
Y Y Y Y Y N
Y Y Y Y Y Y
1-7/8" X 36" 3" 1-7/8" X 36" 3" 1-5/8" X 34" 3" 1-5/8" X 28" 3" 1-5/8" X 28" 3"
1966-73 255-302W HKR6901 HKR6901-1
Ford Mustang/Mercury Cougar
1967-73 351W HKR6901 HKR6901-1
Oldsmobile 442, Cutlass
1968-77 350-403 HKR3901 — 1978-87 265-400CH HKR2451 HKR2451-1 Pontiac Firebird, Trans Am
— HKR2451-3
214 117, 127
126 117, 127
— 62,92 HKR4901-1 — —
Y Y Y N Y Y Y N
Y Y Y N Y Y 9 N Y Y Y N
Y Y Y N
1-5/8" X 29"
1-5/8" X 30" 3"
1-5/8" X 28" 3" 1-5/8" X 30" 3" 1-5/8" X 15" 3"
1-5/8" X 28" 3"
2-1/2"
1970-79 350-455 HKR4901
1978-81 265-400CH HKR2451
1982-92 265-400CH HKR2460
Pontiac GTO, LeMans, Grand Am
HKR4901-1 HKR2451-1 HKR2460-1
— HKR2451-3
1964-75 326-455 HKR4901
Footnotes
9
10
22
44
62
68
83
90
92
117
126 127
201 214
Installation Requires Ac Bracket HKR10925 Left Side Or HKR10926 Right Side. On 1979 And Up Use Stock Bracket Will Not Fit Engines Equipped With Air Injection Pump Without Modification.
Header Dual System Will Not Fit Turbo 400 Applications
Will Not Fit With C-6 Automatic Transmissions
Will Fit With Angle Plug Heads
Will Not Fit Dart/Windsor Head.
Installation Requires Power Steering Bracket HKR10961
See Hooker Catalog For Info On Hooker Exhaust Systems
This Header Is Equipped With A Fitting To Accept The Stock Oxygen Sensor
Reducers Available With Oxygen Sensor On 1980 And Up Models.
2-1/2" Bolt-On HKR11035HKR, 3" Bolt-On HKR11032HKR
Some Factory Heads Do Not Have Bolt Hole In End. Holes Must Be Drilled And Tapped To Assure Proper Seal Will Not Fit Angle Plug Heads
May Need Minor Modifications On Aftermarket Heads Does Not Fit Cutlass Supreme
200
Hooker Headers For Chrysler 383-440 Engines Will Bolt On The Popular Aftermarket B-S Heads.
However, Because The Exhaust Port Centerline On These Heads Is 5/8" Higher And 3/8" Out From The Engine Centerline Compared To Stock Heads, Some Header Modifications Will Be Required For Installation. Custom Header Applications Will Be Required To Fit The B-1 Heads Because Of Angled Spark Plug Location.
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