Page 391 - 2022-23 Auto Performance Open Wheel Catalog

Straight Tube Style Headers
Formed from 18-gauge tubing with fewer bends for increased flow. 32" primaries dump into long collectors for increased bottom end torque. Clearance from 1-5/8" - 1-3/4" head to inside surface of header tubes is 4".
Chevy Sprint “Step” Headers with Merge Collectors
Small block Chevy Sprint headers feature “stepped” 32" long x 1-3/4" - 1-7/8" to 2" diameter primary tubes and high-velocity 3-1/2" diameter x 13" long merge collectors for maximum torque and horsepower. Head- ers, designed for 23° cylinder head applications, are manufactured from 18-gauge steel, have 5/16” thick, CNC laser-cut flanges, and are sold complete with bolts and gaskets.
Standard Part No.
Spread Port Part No.
Description
Tube Diameter
Collector Dia./Length
SCH1052LV-3
—
Chevy “Step” Headers
1-5/8"-1-3/4"
3" x 13"
SCH1054LV
SCH1054LVSP
Chevy “Step” Headers
1-3/4"-1-7/8"
3-1/2" x 13"
SCH1055L
SCH1055LDN
Chevy Headers
1-7/8"
3-1/2" x 13"
—
SCH1055LVDN
Chevy “Step” Headers
1-7/8"-2"
3-1/2" x 13"
—
SCH1055LVAP
Chevy “Step” Header for All Pro
1-7/8"-2"
3-1/2" x 13"
—
SCH1055LVAP-16
Chevy “Step” Header for All Pro
1-7/8"-2"
3-1/2" x 16"
—
SCH1055LVDN-16
Chevy “Step” Headers
1-7/8"-2"
3-1/2" x 16"
—
SCH1056LDN
Chevy Headers
2"
3-1/2" x 13"
SCH1054LV3M
Stand Port
SCH1054LV3SPM
Spread Port
Standard Headers
Part No. Description
Yamaha R6 Tri-Y Mini Sprint Headers
Designed for the Yamaha R6 engine, budget-priced left side-exit Tri-Y headers are available in
stepped 1-3/8" to 1-1/2" tube diame-
ters and 1-3/4" standard 4-2-1 style
collectors.
Part No.
Formed from 18-gauge tubing with 32" long primaries, long collectors, and CNC laser-cut flanges to clear
down nozzles. For spread port applications.
Tube Diameter
Collector Diameter
SCH14272735-78
Inlet Body Dia. Dia.
SCHMS603RVY-6
1-3/8" to 1-1/2"
1-3/4"
Spread Port
Part No. Description
Forward Style Headers
Tube Dia.
Collector Dia./Length
Collector Dia./Length
Collector Dia./Length
Mini Sprint Muffler SCHMS131722 1-3/4" inlet.
SCH1015LVDN
Chevy “Step” Headers
1-7/8"-2"
3-1/2" x 13"
Allow more room for muffler clearance. Headers have 32" long primary tubes, long collectors for added bottom-end torque, and fit spread port heads.
Racing Mufflers
Part No.
Length
SCH63030
Core Dia.
SCH63030
6"
3"
3"
3.5"
SCH63535
6"
3-1/2"
3-1/2"
4"
SCH83030
8"
3"
3"
3-1/2"
SCH83535
8"
3-1/2"
3-1/2"
4"
SCH92535
9"
3-1/2"
3-1/4"
4"
SCH112530
11"
2-1/2"
3"
4"
SCH112535 **
11"
2-1/2"
3-1/2"
4-3/8"
SCH113035
11"
3-1/2"
3-1/2"
4-3/8"
SCH14272535
14"
3-1/2"
3-1/2"
4-1/2"
SCH14272735-78 *
14"
3-1/2"
3-1/2"
4-1/2"
Spread Port
Part No. Description
Short Collector Style Headers
Tube Diameter
SCH1024LVSP
Chevy “Step” Headers
1-3/4" - 1-7/8"
3-1/2" x 13"
SCH1025LVAP
Chevy “Step” Headers, All Pro
1-7/8"-2"
3-1/2" x 13"
SCH1025LVDN
Chevy “Step” Headers
1-7/8"-2"
3-1/2" x 13"
SCH1026LDN
Chevy Headers
2"
3-1/2" x 13"
Feature 32" long primary tubes, die-stamped flanges, and short collectors. Offered for small block Chevy
standard exhaust port only.
** Mandatory for All Stars, ASCS, WOO, and SOD Sprints * Legal for ASCS, WOO, and Knoxville Raceway.
Insert Mufflers
Lightweight 4" insert for exhaust tubing or collector.
Part No.
Description
Tube Diameter
SCH1014L
Chevy Headers
1-3/4"
3-1/2" x 8"
SCH1014LV
Chevy “Step” Headers
1-3/4"-1-7/8"
3-1/2" x 9"
SCH1015L
Chevy Headers
1-7/8"
3-1/2" x 9"
SCH1015LV
Chevy “Step” Headers
1-7/8"-2"
3-1/2" x 9"
Part No.
Insert Reducers
Description
SCH42530
2-1/2" Core, Fits 3" Collector
SCH43035
3" Core, Fits 3.5" Collector
SCH43540
3-1/2" Core, Fits 4" Collector
Asphalt Sprint Car Headers
SCH1015LVDNB
Spread port small block Chevy headers
feature laser-cut flanges, stepped 1-7/8" - 2" primary tubes, and 3-1/2" diameter x 13" collectors.
Crate Engine Headers
SCH1052LVCM-3
1-5/8" to 1-3/4" primary tubes.
Turn-Outs
Adjust exhaust exit angle in any direction.
Part No. Description
Part No. Description
Header Gaskets
The same gaskets that are packed with Schoenfeld headers.
Part No.
Description
SCH01501
SCH42530NH
3" Collector
SCH43035NH
3-1/2" Collector
SCH01501
SB Chevy, 1-5/8" Square Port
SCH01511
SB Chevy, 1-3/4" Round Port
SCH01530
SB Chevy, ASCS Spread Port
SCH01531
Spread Port Gaskets for Nozzles
SCH01532
SB Chevy, Spread Port Gaskets for All Pro Heads
SCH01533
SB Chevy, Brodix Spread Port
SCH3025
3" Diameter
SCH3525
3-1/2" Diameter
2022-23 PARTS AND ACCESSORIES
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