SB Drag Race and Street Headers - ACP Headers

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SB Drag Race and Street Headers


#101 Specs

  • Power steering = OK
  • Automatic = OK
  • Air conditioning = No
  • Stock oil pan clearance:  RS = 2-1/8”, LS = 2-5/8”
  • Clears Lakewood bell housing
  • High port heads must use the stepped header
  • Large (168 tooth) flywheel = OK
  • Original GM starter = OK
  • Moroso Motor Mount Part #’s:  64-67 SB-#62500 / 68-72  SB-#62510
  • Will not clear midplate



Model #101 64-72 SB Chevelle
Fully Assembled Step Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
1 7/8" - 2"
2" - 2 1/8"
$1495.00 - with Adpt. Flngs.
Partially Assembled (-) $300.00




#103 Specs

  • Power steering = OK
  • Power brakes = OK
  • Air conditioning =OK
  • Gear reduction starter required on 1-7/8” and 2”
  • Must use short oil filter (AC PF25 or equivalent) or a remote mount
  • Can build for standard or high port heads
  • Can have fixed collectors or slip-on collectors
  • All 8 pipes are inside chassis



Model #103 78-87 G-Body
Fully Assembled Step Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
1 7/8" - 2"
2" - 2 1/8"
$1495.00 - with Adpt. Flngs.
Partially Assembled (-) $300.00




#105 Specs

  • Designed for high port heads
  • Power steering = OK
  • Power brakes = OK
  • Stock oil pan clearance:  RS = 4-1/2”, LS = 4-1/4”
  • Can be built to accommodate factory A/C.  (straight 1-3/4”, or 1-5/8” stepped to 1-3/4”sizes only)
    Must specify this option when ordering.
  • Can build for mid plate clearance if using an automatic transmission.
  • If using mid plate with manual transmission, left side of the mid plate must be modified.
  • Large stock starter = OK
  • Hamburger mini starter in inboard and outboard position = OK
  • Will not clear stock reverse interlock arm on steering column.  Arm can be cut off.



  Model #105 67-69 SB Camaro
(New design fits standard or high port heads)
       68-74 SB Nova - 65-74 Impala
Fully Assembled Stepped Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
1 7/8" - 2"
2" - 2 1/8"
$1495.00 - with Adpt. Flngs.
Air Conditioning + $100.00
Impala + $100.00
Partially Assembled (-) $300.00




#106 Specs

  • Designed for standard height blocks and cylinder heads
  • Power steering = 1-5/8” only
  • Clears stock starter and gear reduction starter.
  • Can be built to accommodate factory A/C.
    Must specify this option when ordering.



Model #106 67-69 SB Camaro
               (Original design)
Fully Assembled
1 5/8"
1 3/4"
$1395.00
Step Primaries + $100.00
A/C Option + $100.00
Partially Assembled (-) $300.00





#107 Specs

  • Power steering = OK
  • Power brakes = OK
  • Air conditioning = OK



Model #107 70-81 SB Camaro & 75-79 Nova
Fully Assembled Stepped Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
1 7/8" - 2"
2" - 2 1/8"
$1495.00 - with Adpt. Flngs.
Partially Assembled (-) $300.00




#108 Specs

  • Power Brakes = OK
  • Power Steering = No
  • #7 and #8 goes through fenderwell
  • Prices include removable collectors
  • Large flywheel = OK
  • Oil pan clearance:
    RS:  2-1/2” (measured from 4th oil pan bolt hole from front or 2” down from block/pan surface.
    LS:  1-7/8” (measured from 6th oil pan bolt hole from front or 3” down from block/pan surface.



Model #108 82-92 Camaro
Specify Stock engine location or Super
Stock engine location when ordering.
Fully Assembled Stepped Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
1 7/8" - 2"
2" - 2 1/8"
$1495.00 - with Adpt. Flngs.
Partially Assembled (-) $300.00



#113 Specs (shown with LT1 option)

  • Headers are available in a drag race only version that is not designed to hook up to an exhaust system.  This version has no 02 sensor bung.
  • Headers are available in a road race version that is designed to hook up to a stock type exhaust system (less the stock catalytic converters).  This version has one O2 sensor bung (additional sensor bungs can be added, add $35.00 ea).
  • Prices are for automatic transmission.  For standard transmission, add $30.00.
  • Air conditioning = No
  • fits stock starter.
  • Fits stock oil filter.
  • Excellent ground clearance.



Model #113 C4 SB Corvette
             (Under chassis exit)
            Fully Assembled
Road Race or Drag Race Stepped Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
1 7/8" - 2"
$1495.00 - with Adpt. Flngs.
Partially Assembled (-) $300.00




#114 Specs

  • Fenderwell exit design



Model #114 56-62 SB Corvette
              (Fenderwell exit)
Fully Assembled
1 5/8"
1 3/4"
1 7/8"
2"
$1395.00 - with Adpt. Flngs.
Step Primaries + $100.00
Partially Assembled (-) $300.00




           Model shown with curved extensions
#115 Specs

  • No cutting required to install.
  • This header was designed to be used in conjunction with side pipes.
  • Race Sidepipes with turnouts available in two designes:
     Short (exit at door, approx 28")  $145 per pair
     Long (exit in front of rear wheel, approx 41")
     $180 per pair.
  • If using factory sidepipes, order header with straight extensions and fabricate the turn into the sidepipes.
  • Power Steering = OK
  • Factory Air Conditioning = No
  • On 63-67: Cannot use factory rocker panel molding.
  • Street sidepipes with brackets are available.  $295 per pair



Model #115 63-81 SB Corvette
        Stingray Side exit
Fully Assembled Stepped Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
1 7/8" - 2"
$1595.00 - with Adpt. Flngs.
No Curved Extl - $300.00
Partially Assembled (-) $300.00




#116 Specs

  • Air conditioning = Yes with optional modification, add 480 (specify when ordering)
  • Oil pan clearance to a stock pan LS = 2-3/8" and RS=2"
  • Power steering = OK



Model #116 63-81 SB Corvette
               Stingray
Fully Assembled Stepped Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
1 7/8" - 2"
2" - 2 1/8"
$1495.00 - with Adpt. Flngs.
Air Conditioning +  $80.00
Partially Assembled (-) $300.00



#117 Specs
  • #117 designed for stock mounts.  Stock height cylinder heads only.
#118 Specs
  • #118 designed for front side motor mounts with rear mounts removed.  Can build for stock height or high port heads.  This design gives 3"mor ground clearance than #117
  • Can be modified for a didplate, add $100 (specify when ordering)
  • Fits large flywheel with powermaster 9500 starter.



Model #117 55-57 Chevy
   (Chassis with stock mounts)
Fully Assembled Stepped Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
$1495.00 - with Adpt. Flngs.
Partially Assembled (-) $300.00

Model #118 55-57 Chevy
(Chassis Raised version clears side
mounts with rear mounts removed)
Fully Assembled Stepped Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
1 7/8" - 2"
$1495.00 - with Adpt. Flngs.
Partially Assembled (-) $300.00
Midplate + $100.00



  





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#119 Specs

  • This is a fenderwell design.  See model #117/118 for chassis design.
  • Does not fit with power steering.



Model #119 55-57 SB Chevy
            (Fenderwell)
Fully Assembled Stepped Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
1 7/8" - 2"
2" - 2 1/8"
$1295.00 - with Adpt. Flngs.
Partially Assembled (-) $300.00



Model #121 58-64 Chevy 348-409
Fully Assembled Stepped Primaries
1 3/4" - 1 7/8"
1 7/8" - 2"
$1495.00 - with slip-on collectors
Weld-On Collectors +  $200.00
Partially Assembled (-) $300.00



Model #122 62-67 SB Chevy II
            (Fenderwell)
Fully Assembled Stepped Primaries
1 5/8" - 1 3/4"
1 3/4" - 1 7/8"
1 7/8" - 2"
2" - 2 1/8"
$1495.00 - with Adpt. Flngs.
Partially Assembled (-) $300.00



Model #134 SB Chevy Econorail Dragster




                     Coming Soon


#121 Specs
  • Power steering = OK
  • power brakes = OK
  • Cylinders #7 and #8 go through fenderwell and wrap back under frame to collectors.
  • For fixed colledctors, add $200
  • A complete fenderwell version of this header is available for $1495.00




#122 Specs
  • Fenderwell design
  • Clears 27-1/2” to 28” tires


#134 Specs

  • This upswept header has an exit angle of 33 degrees.


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