| APPLICATION FOOTNOTES |
| * |
Not applicable or intended for street or highway use. Legal only for racing vehicles which may never be used upon a highway. |
0 |
T.E.M.S.TM Tubular Exhaust Manifold System. |
1 |
Without smog injection or injection heads. |
| 2 |
Three tube design. |
| 3 |
Front motor mounts only. |
| 4 |
Includes parts necessary to retain emission devices. (50 State) |
| 5 |
With A.I.R. system. |
| 6 |
Modification to stock exhaust required to retain catalytic converter. |
| 7 |
Will not fit 67-69 Camaro with A/C. |
| 8 |
Spark Plug clearance limited. |
| 9 |
Factory side exhaust cut and welding is required. |
| 10 |
Except round ports. |
| 11 |
GTO 1964-73. |
| 12 |
For EGR models only. |
| 13 |
A-type engine only. (Will fit with in-line port pattern only) |
| 15 |
Shortie style hedder. Maximum ground clearance. |
| 16 |
Check regular section of catalog for specific listings. Look for same part number replacing last digit 4 with a 0. Pay special attention to emission footnotes. |
| 18 |
Will not fit 400 Cleveland (400M). |
| 19 |
Will not fit 71-73 with manual transmission. |
| 20 |
Not recommended for use with aluminum heads. |
| 21 |
Fits Cobra Jet heads only. |
| 22 |
Fit standard 429-460 heads only. |
| 23 |
Some heads require drilling and tapping of end holes. |
| 25 |
Engine swap, all parts must be factory stock. |
| 26 |
A/C equipped vehicles require bracket #20110 (Large piston type compressor). |
| 27 |
Power steering bracket #20120 required. |
| 28 |
With 4-2-1 collector. |
| 30 |
Dog leg port only. |
| 32 |
Designed for stock mounts in stock location and stock width oil pan. |
| 33 |
Due to engine location, will not fit 1970-72 Cutlass Supreme, Hurst, SX or Convertibles. |
| 34 |
For manual transmission use clutch cable bracket #20130. |
| 35 |
One tube around frame each side. |
| 36 |
14 gauge tubing. |
| 38 |
16 gauge tubing. |
| 39 |
Will fit Brodix high port or stock heads, but not with deck block. |
| 41 |
Fender well exit. |
| 42 |
Square port hedder. |
| 44 |
Will not fit Dana 60 front differential. |
| 45 |
Not legal for sale or use in California on pollution controlled motor vehicles. |
| 46 |
Will not fit factory V-8 installation. |
| 47 |
Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892. |
| 48 |
Will not fit torsion bar suspension. |
| 49 |
Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. |
| 50 |
Iron Duke Pontiac 2.5 liter. |
| 51 |
Under chassis exit. |
| 52 |
All Tubes fenderwell exit. |
| 53 |
One pipe each side over frame. |
| 54 |
One pipe one side over frame. |
| 56 |
Column shift must be modified on some models or converted to floor shift. |
| 58 |
World Products Windsor Jr. flanges. |
| 59 |
Must use 60º oil filter - must purchase from Mopar Dealer. |
| 64 |
Battery must be moved to trunk. |
| 65 |
Must use remote oil filter. |
| 66 |
Race Car Hedder - Flat Style Collector. |
| 67 |
Race Car Hedder - not adjustable. |
| 68 |
Race Car Hedder- Slip-on Collector, for adjustable see accessory listing. |
| 69 |
Flange may need to be cut between ports to install. Do not cut between twin ports. |
| 71 |
Hedder will fit Pro-Stock with engine dropped 1" for clearance and stock location. |
| 72 |
Designed without use of 60º oil filter adapter. Filter must screw directly to engine block. |
| 73 |
It will be necessary on most models to use a Trans-Dapt Performance remote oil filter. |
| 74 |
Clutch linkage on some models must be modified. |
| 75 |
4 barrel heads only. |
| 76 |
Hedders come with street hook-ups.1 |
| 77 |
Hedders come with street hook-ups with oxygen sensors. |
| 79 |
Stock Chevy Bowtie. |
| 80 |
Headers come with sub-flange. |
| 90 |
Comes with Standard/Wide sub-flanges (4-3/4" center bolt spacing). Special order if Econo/Narrow (4" center bolt spacing) are needed. |
| 91 |
Collector type Hedder. |
| 92 |
Zoomie type Hedder. |
| 96 |
Hedder only - must use motor mount plate #56066. |
| 97 |
Must use Trans-Dapt #9906 conversion motor mounts with 2.8L frame mounts. |
| 100 |
Will not fit steering damper inside front crossmember. |
| 102 |
Possible tire interference, especially on one ton crew cab. |
| 103 |
Will fit with angle plug heads (Chevy aluminum only). |
| 104 |
On some models it may be necessary to remove Z bars. (SS Series) |
| 105 |
Fits new angle plug heads, w/ raised exhaust ports. |
| 106 |
Will not fit power brakes. |
| 107 |
Will fit 2V heads only. |
| 108 |
With automatic transmission, C-4 only. |
| 109 |
Dual exhaust only, limited ground clearance. |
| 110 |
Will not fit E.F.I. |
| 111 |
Will not fit with late model hi-torque starter.1 |
| 112 |
Must use factory big block chevy hardware & mounts. |
| 113 |
Must notch crossmember on driver's side. |
| 114 |
Hedder comes with weld-on collectors. |
| 121 |
Must modify rotary A/C bracket. |
| 124 |
Will fit F.I. with E.G.R. |
| 126 |
Must use Trans-Dapt Performance swap mount kit #9736. |
| 127 |
Late model chassis. Engine offset to passenger side of vehicle. |
| 128 |
Fits factory stock transmission 64-67 only. |
| 129 |
Modification to shift linkage may be required. |
| 130 |
Must use Trans-Dapt Performance mount #4686. |
| 131 |
Chevy engine. |
| 132 |
Hydraulic clutch only. |
| 134 |
Dual outlet. |
| 135 |
Transmission size limited to 700R4 and 350 Turbo. |
| 136 |
Must use 1975 and later model clutch linkage located at rear of engine. |
| 138 |
Will not fit Camper Special or vehicles equipped with front sway bar. |
| 139 |
Must use 1975 and later model clutch linkage located at rear of engine. |
| 140 |
Replacement Y-Pipe available. See gasket section. |
| 141 |
Will not fit models with starter solenoid located on top of starter. |
| 142 |
Will not fit 440-3 or industrial engines. |
| 144 |
Complete with Y-Pipe to single catalytic converter. |
| 145 |
Complete with dual Y-Pipe to dual catalytic convereters. |
| 146 |
Will not fit F series super duty chassis cabs, utility, stake bed, etc. |
| 147 |
Must use Trans-Dapt Performance motor mount kit #9906. |
| 148 |
Must use Trans-Dapt Performance motor mount kit #4689 & Turbo 350 trans. with 168 tooth flywheel. |
| 150 |
Competition hedder - Allow for extended delivery time. |
| 151 |
Must use mini starter. |
| 151A |
Use T.C.I. starter #351106. Tilton type must use 153 tooth flywheel. |
| 152 |
Made in and shipped from California. |
| 153 |
Must use Classic Chevrolet steering box. |
| 155 |
Must use small, 153 tooth flywheel. |
| 156 |
Will not fit with 11", 143 tooth flywheel. |
| 157 |
When equipped with manual transmission, will not fit with Ford top loader trans. |
| 160 |
Early chassis only. |
| 162 |
Firewall must be modified. |
| 163 |
Stepped Hedder with PowerPlus Reversion Chambers & Equalizer Y-pipe. |
| 163A |
Center bellhousing stubframe must be removed/maximum ground clearance. |
| 165 |
See additional information on pages 16-17. |
| 166 |
Will not multi-shock absorber factory or aftermarket installations. |
| 167 |
Must use #21107 oxygen sensor reducers, not supplied with hedder. |
| 200 |
For those vehicles intended for highway use change the last digit part # 1. (Example: Change part #98310 to 98311. These hedders are C.A.R.B. approved.) |
| 201 |
Must use Powermaster #9506 mini starter. |
| 203 |
Non-E.G.R. equipped |
| 204 |
With E.G.R. |
| 205 |
With precatalytic converters. |
| 206 |
Will not fit engines with precats. |
| 207 |
All "C" Body. |
| 208 |
Due to clyinder heads (aluminum) generation 6 engines, 502 BB Chevy will have clearance problems on some applications. Bottom of hedder flanges may hit head bolts. Notching may be necessary. |
| 209 |
Must use Trans-Dapt kit #4100. |
| 210 |
Must use Trans-Dapt kit #4696. |
| 211 |
Will not fit 75-79 Monza w/factory SB Chevy. |
| 212 |
Elite replacement gasket #27520. |
| 213 |
Elite replacement gasket #27550. |
| 214 |
Elite replacement gasket # 27340. |
| 215 |
K5 Blazer up to 91. |
| 216 |
Crew cab chassis only. |
| 217 |
2WD 68-69 only. |
| 218 |
Universal oval port design. |
| 219 |
Will fit 605 steering box. |
| 220 |
Not Turbo. |
| 221 |
Engine must be centered between frame rails, per instructions. |
| 222 |
Modification to clutch linkage may be needed. |
| 223 |
Right & Left flat 3-bolt flange connector to stock Y-pipe. |
| 225 |
Designed for use with a Trans-Dapt throttle body spacer, see www.tdperformance.com for more information. |
| 232 |
No drop spindles. |
| 233 |
Modify passenger side shock tower on 351 applications. |
| EMISSIONS FOOTNOTES |
| (*) |
Not applicable or intended for street or highway use. Legal only for racing vehicles which may never be used upon a highway. |
| (A) |
This hedder has been submitted to the California Air Resources Board for criteria and exemption approval. Pending approval, the E.O. # should be available soon. |
| (B) |
Not applicable or intended for street or highway use. Legal only for racing vehicles which may never be used upon a highway, check footnotes also. |
| (C) |
For vehicles 1964 through 1974 without A.I.R. systems, considered as O.E.M. replacement parts when existing emission controls are not removed from vehicle. |
| (D) |
Not legal for sale or use in California. |
| (F) |
For vehicles 1964 through 1974 with A.I.R. system, considered as O.E.M. replacement parts, and do not require an E.O. #, when existing emission controls are not removed from vehicle. |
| (G) |
1975-1976 only, 50 state legal for these years only. |
| (H) |
1975-1977 only, 50 state legal for these years only. |
| (I) |
1975-1979 only, 50 state legal for these years only. |
| (J) |
1975 through 1979 including vehicles with production date to 12-31-79, registered as 1980, non-feedback systems only are 50 state legal. |
| (K) |
1975-1980 only, 50 state legal for these years. |
| (L) |
1977-1979 only, 50 state legal for these years. |
| (M) |
1978-1980 only, 50 state legal for these years. |
| (N) |
1975-1981 only, 50 state legal for these years. |
| (O) |
1975-1982 only, 50 state legal for these years. |
| (P) |
1975-1986 only, 50 state legal for these years. |
| (Q) |
1980 only, 50 state legal for this year. |
| (R) |
1980-1981 only, 50 state legal for these years. |
| (S) |
1975-1991 only, 50 state legal for these years. |
| (T) |
1982 only, 50 state legal for this year. |
| (U) |
1982-1986 only, 50 state legal for these years. |
| (V) |
1975-1985 only, 50 state legal for these years. |
| (X) |
T.E.M.S. (Tubular Exhaust Manifold Systems) are 50 state legal for years listed in catalog only. |
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