Headers: Very Important Footnotes - Please Read If In Doubt Please Contact Us

Refer to numbers:   36, 92, 93, 96,

1

Does not fit angle plug heads

57

Slip on style 90 and 45 degree collectors are adjustable for tuning and foot box location

102

Replica of early Shelby Tri-Y header.

3

Fits with stock or 605 steering boxes, aftermarket side engine mounts and rear trans cross member

58

Header uses dual collector design for increased torque

103

Jaguar exhausts systems available separately.

4

Fenderwell exit

59

Fits the flathead six engine but does not provide for heat exchange to the stock cast intake manifold

104

Some factory heads do not have end bolt holes and should be drilled and tapped to assure proper sealing.

5

Shorty design for maximum ground clearance

60

Will not fit with 168 tooth flywheels or kick out aftermarket starters

105

Original bell housing frame mounts must be removed.

6

Due to variations on motor mounts, we recommend

Anchor mounts (# 270-2221 left and # 270-2220 right) or equivalent. Left mount may need to be ground by 1/4” to provide clearance for collector.

61

Does not fit 67-69 Camaro with A/C

107

LS1/LS6 engines require the use of a LS1 oil pan for proper header fit.

7

157 tooth flywheel use Ford Racing Mini Starter #M-11000-B51 or equivalent 167 tooth flywheel use Ford Racing Mini Starter #M-11000-MT164 or equivalent

62

Must use 66 1/2 or later frame brackets (approx. 1” higher than 65 and early 66 style)

108

Will fit with 605 power steering box

8

Kits consist of 8 mandrel bent header tubes, flange kit and formed collectors

63

Does not fit manual transmissions using factory mechanical clutch linkage

110

Fits 1953 models with transplanted Y block engines when 1954-64 Y block motor mounts are used.

10

Outside frame exit

64

Fits with manual transmissions using 85-95 bell housing with cable clutch kits

111

Long tube headers for off-highway racing use only

11

Universal block hugger design

65

Fits with solid side and rear mounts

113

Replacement shorty style header which bolts directly to ‘86 and later factory head pipe

12

Dome type reducer kit available separately part # H7247

66

Does not clear stock manual clutch linkage ball located behind the #7 cylinder

116

Replacement shorty style header which bolts directly to ‘94 and later factory head pipe

13

May require smaller front tires to avoid contact.

67

Must use Car Shop Inc. (309-797-4188) or equivalent engine swap kit

121

50-State Smog Legal header C.A.R.B.  E.O. #D-57-19

14

37-57 Chevy applications require alteration of

emergency brake rod

68

Fits with Turbo 350 automatic transmissions with floor shifter only

125

Fits Edelbrock angle plug heads

15

Can be used with most oil filter system or transmission

and starter combination

69

Big block frame stands and motor mounts must be used to insure proper engine location and header fit.

126

Y indicates Tri-Y design

16

Tucks very close to engine

70

Fits production chassis exiting under the car 71 Does not clear 2.0L stock motor mount

143

Comes with EGR provision

17

Fits most angle plug heads

72 Goes through firewall if used on a production Pinto/Mustang II chassis.

156

Fits Dart/Windsor heads 158 Header equipped with a fitting to accept stock O2 sensor

18

Header installation requires the use of the 1965-66

Non Hi-Po V8 clutch equalizer bar

73

See pages 10-14 for specific fit applications

163

Does not fit Cutlass Supreme

19

Check motor mount position before ordering

74

Fits Brodix spread port cylinder heads

171

Passenger side header has rear exit

20

Chrome headers are polished before and after

assembly for show quality appearance

75

Fuel injected engines only

172

Over frame design with outside exit and provision for exhaust system hook-up (Lakester style)

23

Will not fit if engine is located more than 3/4” forward for

HEI firewall clearance.  Fits with TCI engine mount kit PN

725-7005-80 and with the equivalent Danchuk mounts.

76

Fits with either the Danchuk 3/4” forward or their stock location side mounts, rear transmission mount or equivalent and stock or 605 steering boxes.  Stock mid mount and ears on the frame must removed

180

Requires a Doug’s LS1 adapter plate kit P/N SK100 or equivalent (American Tour Specialties are confirmed) 192 Header is designed to fit cars using original V-8 pitman arm part number 3719487 not 6 cylinder pitman arm number 3709877. Aftermarket pitman arms must be same configuration as OE for proper header fit.

24

Tight tuck headers do not fit 55-57 Chevys, Camaros or other modern vehicles which have a cross member below the engine’s centre two exhaust ports. 

78

Must replace the stock oil pan with a Canton 16-100 two piece or 16-100T one piece style rear main seal.

196

Lakewood bell housings require clearance for header tubes

26

67-70 models require additional driver’s side header clearance around the steering box

81

This header is shorter than other tight tucks allowing more room for steering components.

197

Use recommended C5ZZ16A052E “export brace” if shock mount centre to centre dimension is less than 33 3/4”

32

Fits only when a 62-67 type intake manifold is used

83

Fits with manual transmissions using 10” or 10.5” clutch only.  1968-up bell housing require driver’s side header clearance

201

Designed to fit engines with forward sump oil pans

34

Rear Exit

84

Non-HiPo cars with manual transmission may need header clearance for clutch linkage

202

Will fit Detroit Speed & Engineering front sub-frames with rack and pinion steering

36

Fits D-Port cylinder heads including ZZ4 crate engines

85

O2 bungs are welded on both collectors

203

Will not fit models equipped with air injection pump without modification

37

Fits standard deck big blocks only

86

Weld on oxygen sensor bungs are provided with the collector reducer kit.

211

Designed to fit with Maval/Unisteer rack and pinion steering systems

41

Kit includes header flanges, collector flanges, block-off

plates, four exhaust hook-up flanges, pre-bent header

tubes and two collector cones

88

Fits two barrel heads

212

Will not fit manual transmission cars with factory Z bar clutch linkage

43

Exits toward front tire

89

Fits four barrel heads (Boss 351)

213

Reducers provided with welded O2 bungs

44

Can be run upside down to gain clearance but will require relocating water temperature sending unit

90

Does not fit with C-6 transmission

214

Must use non-shell type motor mounts

45

Fits with side or front motor mounts

91

Will not fit Dart/Windsor heads

217

Flat collector design for maximum frame clearance

46

Fits with stock, Mustang, Vega or Saginaw steering

92

Will fit most angle plug heads including factory Chevrolet “Bow-Tie” heads

221

Comes with welded O2 sensor fittings

47

Fits with stock, Mustang and Vega steering

93

Requires removal or modification of locking steering columns if equipped

223

Fits AOD transmissions

49

Fits 71-74 passenger cars and wagons with auto trans column shift only

94

Non catalytic converter equipped.

224

Fits with Danchuk Mount kit #12184 or equivalent

52

Will not fit with Saginaw Close Ratio 825 Steering Box

95

Reducers available with O2 sensor fitting see catalogue page 23

228

Will not fit GT40 “P” head

53

Not recommended for generation six 502cid engines with aluminium heads

96

Installation requires left side A/C bracket part number H7608, 1979 and later vehicles with short compressors can use the stock bracket. 97 Installation requires power steering bracket PN H7609.

229

Will fit with T5 Transmission and stock Z bar

54

Fits with manual and auto trans floor shifts only

98

Fits with C-6 transmission.

55

Fits GT40 “P” head

99

Does not fit 1971-73 Mustang/Cougar with manual transmission.

56

Stepped pipe design increases low end torque without

sacrificing higher RPM performance

100

Will not fit models with air injection cylinder heads