Page 283 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog

DIRT LATE MODEL HEADERS CRATE DIRT LATE MODEL
SB Chevy equal length headers provide the best compromise between STAINLESS STEEL HEADERS
horsepower, torque and driveability. Headers, have CNC-machined flanges, and High velocity exhaust
30" long primary tubes to work best in the 4500-7500 RPM range. Many of the headers fit dirt late mod-
headers listed have “stepped” primary tubes for increased exhaust velocity els utilizing the GM “604"
and are sold with collectors. When ordering, select the header with the flange crate engine. Headers,
matching cylinder head being used. Refer to chart on the page 283 for exhaust which are manufactured from
flange/port identification. 17 gauge stainless steel
for increased exhaust
flow and added durability,
include stepped 1.625"-1.750" primaries and 3" collectors. Sold complete with
gaskets and fasteners. Offered to fit a variety of popular chassis.
Primary Collector
Part No. Description Dia. Dia.
Fits American Made, Barry Wright, Morris, Rocket,
Swartz & Others With 2-5/8" Offset & 6" Setback
DTH711-65810* Crate Dirt Late Model Headers 1.625"-1.750" 3"
Fits Bernheisel, Dirt Tek, Lazer,
AMERICAN MADE, BARRY WRIGHT, BERNHEISEL, Mastersbilt, Rayburn & Warrior Chassis
ROCKET, BULLIT, MORRIS, SWARTZ 6" SETBACK DTH711-65910* Crate Dirt Late Model Headers 1.625"-1.750" 3"
Standard Chevy “A” Tube Collector *Sold complete with DTH772-06322 Torque Boosters, which offer
Part No. Size Size increased horsepower and torque between 2500-4200 RPM without
DTH711-15410 1.750-1.875" 3.50" affecting high end horsepower.
MASTERSBILT, RAYBURN, DIRT TEK, “NEW” WARRIOR CRATE MODIFIED
Standard Chevy “A” Chevy 18° Tube Collector STAINLESS STEEL HEADERS
Part No. Centered - “C” Size Size
DTH711-15710 DTH733-15710 1.750-1.875" 3.50" Engineered for modifieds fit
with GM “604” crate engines,
headers are constructed
80° EXHAUST ELBOWS from high quality stainless
steel for increased exhaust
Part No. Description velocity and maximum header life. Headers include laser cut flanges and
DTH780-80301 3" Dia. Elbow accommodate raised and offset engine positions. Triple step primaries help
DTH780-80351 3-1/2" Dia. Elbow increase exhaust velocity and 3" x 9" long collectors meet IMCA rules. Sold
complete with gaskets and fasteners.
CRATE DIRT LATE MODEL HEADER KITS Primary Collector
Mild steel header kits Part No. Description Dia. Dia.
are designed for dirt Fits Alien, BMS, Dirt Boss, GRT,
late models that use Harris, Skyrocket & Taylor Chassis 1.625" 3"
Crate Modified Headers
DTH701-17210
the popular GM “604” Fits 2010-14 Shaw Chassis
crate engine. Headers DTH701-17310 Crate Modified Headers 1.625" 3"
feature precision laser cut Fits 2010-15 Jet & 2015 Kazzbuilt Chassis
flanges, stepped 1.625"- DTH701-17410 Crate Modified Headers 1.625" 3"
1.750" primary tubes and 3" Fits 2014-15 Beakbuilt, 2014-15 Dream,
diameter collectors. Sold complete with 80° 2014 Skyrocket, Jet, Rage, Edge, Addiction, Razor
elbow, 14" extension, necessary fasteners and gaskets. DTH701-27410 Crate Modified Headers 1.625" 3"
Primary Collector
Part No. Description Dia. Dia. EXHAUST EXTENSIONS AND ELBOWS
Fits American Made, Barry Wright, Morris, Rocket, Common to crate engines, 14"
Swartz & Others With 2-5/8" Offset & 6" Setback long extension helps equalize
DTH711-25810* Crate Dirt Late Model Headers 1.625"-1.750" 3" exhaust flow when used with an
Fits Bernheisel, Dirt Tek, Lazer, Mastersbilt, 80° elbow, which routes exhaust from driver’s side of dirt late models towards
Rayburn & Warrior Chassis the rear of the car.
DTH711-25910* Crate Dirt Late Model Headers 1.625"-1.750" 3"
* Sold complete with 80° elbow DTH780-80301 and 14" extension pipe Part No. Description
DTH780-0314. DTH780-00314 14" Long x 3" O.D. Extension, Mild Steel
DTH780-01314 14" Long x 3" O.D. Extension, Stainless
DTH780-80311 80° Elbow, 3" O.D., Stainless

TORQUE BOOSTER
Easy to install, the Torque Booster is quick
way to add up to 10% more torque in the
2500-4200 RPM range, common to restarts.
Ideal for crate motor applications, product
adds low end torque without sacrificing top end horsepower.
Part No. Description
DTH772-06302 Pavement Late Model, 500-600 HP Engines, 3" Inlet
DTH772-06312 Crate Dirt Late Model, 500-600 HP Engines, 3" Inlet
DTH772-06322 Crate Dirt Late Model, Stainless, “604” Engine, 3" Inlet
DTH772-06352 Pavement Late Model, 600+ HP Engines, 3-1/2" Inlet
STEVE PEEDEN MARK SCHAEFER
282