Page 229 - 2018 Racecar Engineering Hot Rod and Early Muscle Car Parts and Accessories Catalog

HKR2455

Competition Headers
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Metallic "Darksides" Transmission
Ceramic Black Ceramic Tube Size Coll. Size
Years Engine Part No. Coating Coating Footnotes P/S P/B A/C Auto Col. Auto Flr. Std. Col. Std. Flr. OD In OD In
Chevrolet Passenger (Full Size)
1965-70 265-400 HKR2451 HKR2451-1 HKR2451-3 127 Y Y 9 Y Y Y Y 1-5/8" X 30" 3"
1971-89 265-400 HKR2451 HKR2451-1 HKR2451-3 117, 127 Y Y 9 N N Y Y 1-5/8" X 30" 3"
1965-70 396-502 HKR2457 HKR2457-1 HKR2457-3 — Y Y Y Y Y Y Y 2" X 27" 3-1/2"
1971-74 396-502 HKR2455 HKR2455-1 HKR2455-3 90 Y Y Y N N Y N 2" X 30" 3-1/2"
Chevrolet Chevelle, El Camino
1964-87 265-400 HKR2451 HKR2451-1 HKR2451-3 117, 127 Y Y 9 Y Y Y Y 1-5/8" X 30" 3"
1964-74 396-502 HKR2455 HKR2455-1 HKR2455-3 — Y Y Y Y Y Y Y 2" X 30" 3-1/2"
Chevrolet Monte Carlo
1970-87 265-400 HKR2451 HKR2451-1 HKR2451-3 117, 127 Y Y 9 N N Y Y 1-5/8" X 30" 3"
1970-74 396-502 HKR2455 HKR2455-1 HKR2455-3 — Y Y Y N N Y Y 2" X 30" 3-1/2"
Chevrolet Chevy II, Nova
1968-79 265-400 HKR2451 HKR2451-1 HKR2451-3 127 Y Y 9 Y Y Y Y 1-5/8" X 30" 3"
1968-74 396-502 HKR2457 HKR2457-1 HKR2457-3 — Y Y Y Y Y Y Y 2" X 30" 3-1/2"
Chevrolet Camaro
1967-69 265-400 HKR2451 HKR2451-1 HKR2451-3 127 Y Y 9 N Y Y Y 1-5/8" X 30" 3"
1967-69 396-502 HKR2457 HKR2457-1 HKR2457-3 — Y Y Y N Y Y Y 2" X 27" 3-1/2"
1970-81 265-400 HKR2451 HKR2451-1 HKR2451-3 117, 127 Y Y 9 N Y Y Y 1-5/8" X 30" 3"
1970-72 396-502 HKR2455 HKR2455-1 HKR2455-3 — Y Y Y N Y N Y 2" X 30" 3-1/2"
1982-92 265-400 HKR2460 HKR2460-1 — 62, 92 Y Y Y N Y N Y 1-5/8" 3"
Chevrolet Corvette
1955-82 265-400 HKR2456 HKR2456-1 — 22, 127 Y Y 9 N Y N Y 1-5/8" X 24" 3"
Dodge/Plymouth Passenger (B And E Bodies)
1967-74 383-440 HKR5903 HKR5903-1 — 10, 200 Y Y Y Y Y Y Y 1-7/8" X 36" 3"
Dodge Challenger/Plymouth Barracuda
1970-74 383-440 HKR5903 HKR5903-1 — 10, 200 Y Y Y Y Y Y Y 1-7/8" X 36" 3"
Dodge/Plymouth All B And E (A And F Bodies)
1967-82 273-360 HKR5901 — — 10, 201 Y Y Y N Y Y Y 1-5/8" X 34" 3"
Ford/Mercury Cyclone, Falcon, Fairlane, Montego, Torino, Ranchero
1966-73 255-302W HKR6901 HKR6901-1 — 44, 68 83 Y Y N Y Y Y 1-5/8" X 28" 3"
Ford Mustang/Mercury Cougar
1967-73 351W HKR6901 HKR6901-1 — 44, 68 83 Y Y N N N Y 1-5/8" X 28" 3"
Oldsmobile 442, Cutlass
1968-77 350-403 HKR3901 — — 214 Y Y Y N Y Y Y 1-5/8" X 29" 2-1/2"
1978-87 265-400CH HKR2451 HKR2451-1 HKR2451-3 117, 127 Y Y Y N N Y Y 1-5/8" X 30" 3"
Pontiac Firebird, Trans Am
1970-79 350-455 HKR4901 HKR4901-1 — 126 Y Y Y N Y N Y 1-5/8" X 28" 3"
1978-81 265-400CH HKR2451 HKR2451-1 HKR2451-3 117, 127 Y Y 9 N Y Y Y 1-5/8" X 30" 3"
1982-92 265-400CH HKR2460 HKR2460-1 — 62, 92 Y Y Y N Y N Y 1-5/8" X 15" 3"
Pontiac GTO, LeMans, Grand Am
1964-75 326-455 HKR4901 HKR4901-1 — — Y Y Y N Y Y Y 1-5/8" X 28" 3"
Footnotes
9 Installation Requires Ac Bracket HKR10925 Left Side Or HKR10926 Right Side. On 1979 And Up Use Stock Bracket
10 Will Not Fit Engines Equipped With Air Injection Pump Without Modification.
22 Header Dual System Will Not Fit Turbo 400 Applications
44 Will Not Fit With C-6 Automatic Transmissions
62 Will Fit With Angle Plug Heads
68 Will Not Fit Dart/Windsor Head.
83 Installation Requires Power Steering Bracket HKR10961
90 See Hooker Catalog For Info On Hooker Exhaust Systems
92 This Header Is Equipped With A Fitting To Accept The Stock Oxygen Sensor
Reducers Available With Oxygen Sensor On 1980 And Up Models.
117
2-1/2" Bolt-On HKR11045, 3" Bolt-On HKR11046, 2-1/4" Slip On HKR11141 Or 2-1/2" Slip-On HKR11140
126 Some Factory Heads Do Not Have Bolt Hole In End. Holes Must Be Drilled And Tapped To Assure Proper Seal
127 Will Not Fit Angle Plug Heads
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
200
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.
201 May Need Minor Modifications On Aftermarket Heads
214 Does Not Fit Cutlass Supreme
™
277 Stainless Steel “X” Pipe That Bolts To Factory Or Aero Chamber Muffler Is Part Number HKR16874
228 2018 HOT ROD AND EARLY MUSCLE