Page 367 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

RacingHeart Headers GM LS Turbo Exhaust Manifolds
Engineered exclusively for big And Cross-Over Tubes
block Chevy-powered dragsters, Cast, ductile iron manifolds
RacingHeart headers feature are an easier method of
transition primary tubes and adding a turbo charger to popular
merge collectors for maximum LS engines. More durable than
exhaust velocity. Flanges are 3/8" thick for added durability. Offered in traditional exhaust headers, mani-
polished 304 stainless steel or chrome-plated mild steel construction, head- folds are sold per pair, complete
ers include bungs for evacuation tubes and plugs. with V-band clamps and fl anges,
Primary Collector Stainless Chrome heater hose heat shield, and header bolts. Available cross-over tubes are
Description Dia./Length Dia./Length Part No. Part No. constructed from mandrel bent 304 stainless steel complete with a fl ex
BB Chevy Dragster Downswept 2-1/8"/2-1/4"/2-3/8" 4-1/2" HKR2501-2HKR HKR2501-6HKR
joint and welded V-band fl anges. Components are fully compatible with
most common LS swap parts.
BlackHeart Headers
Part No. Description
Full-length BlackHeart headers, con- HKR8510HKR GM LS Turbo Exhaust Manifolds, Exc. LS7/LS9, 3" V-Band Outlet, 2-1/4" V-Band Cross-Over
structed from 304 stainless steel for HKR8511HKR GM LS Turbo Exhaust Manifold, Left (Driver’s) Side Only, With Clamp
maximum durability, combine 3/8" HKR8512HKR GM LS Turbo Exhaust Manifold, Right (Passenger’s) Side Only, With Clamps
thick, precision water jet- cut HKR8513HKR GM LS Cross-Over Tube, Fits T-56 With Quicktime Bellhousing
GM LS Cross-Over Tube, Fits Powerglide/TH-350/TH-400
HKR8514HKR
fl anges with mandrel-bent primary HKR8515HKR GM LS Cross-Over Tube, Fits 4L60E/4L80E
tubes and long transition merge HKR8516HKR GM LS Cross-Over Tube, Fits T-56 w/OEM Bellhousing And 6L80E
collectors for maximum exhaust HKR8517HKR GM LS Cross-Over Tube, Universal Kit
fl ow and velocity. Flange Kits
Primary Collector
Part No. Description Dia./Length Dia./Length Hooker offers a variety of hard-to-fi nd header
HKR70102306-RHKR 2015-16 Dodge Challenger Hellcat 6.2L 1-7/8" 3" fl anges, less stubs. Sold in pairs, with
HKR70103305-RHKR 2015-17 Ford Mustang GT 5.0L Coyote 1-7/8" 3"
gaskets, bolts, and contingency I.D. tags.
Port Primary
BB Chevy Super Competition Part No. Application Shape Tube
Weld-Up Header Kit HKR11890 SB Chevy Outer Flange Round 1-7/8", 2"
HKR2953 HKR11891 SB Chevy Inner Flange SAP N/A
Do-it-yourself weld-up header kit is Mandrel Bends A
engineered for big block Chevys fi t to B
front strut Super Gas, Super Comp, and Hooker mandrel bends are available in B A
Competition Eliminator-style chassis. De- a variety of radius, tube diameter, and
signed for heads with round exhaust ports, length dimensions to meet most requirements. All bends are formed on
kit includes 5/16" thick fl anges, 2-1/8" modern machines to ensure smooth, wrinkle-free bends and no crimping.
diameter x 40" long primary tubes, 4" diameter All bends use 18-gauge tubes unless noted.
x 10" long collectors, polished stainless steel NHRA Tube Sz. Leg Leg Tube Sz. Leg Leg
Part No. O.D. Radius “A” “B” Part No. O.D. Radius “A” “B”
contingency tags, gaskets, and mounting bolts. “U” Bends
HKR12200 1-1/2" 6" 12" 12" HKR12270 2-1/2" 5" 12" 12"
HKR12220 1-3/4" 6" 12" 12" HKR12280 3" 6" 6" 6"
“Power Spear” Slip-On Collectors HKR12230 1-7/8" 6" 12" 12" HKR12285 3-1/2" 7" 6" 6"
Parallel construction of these mild steel collectors eases HKR12240 2" 6" 12" 12" HKR12310* 4" 7-1/2" 6" 6"
slip-on installation. Merge collectors have primary HKR12250 2-1/8" 6" 12" 12" HKR12340* 2" 6" 12" 12"
HKR12260 2-1/4"
6"
12" 12"
tubes that form a spear, eliminating sharp edges and “J” Bends
enhancing fl ow for that last bit of horsepower. Sold in pairs. HKR12325* 1-1/2" 2" 6" 15" HKR12536 1-5/8" 2" 6" 15"
HKR12331* 1-1/2" 3" 6" 15" HKR12552 1-3/4" 4" 6" 15"
Primary Collector Power Spear
Description Tube Dia. Part No. HKR12336* 1-5/8" 2" 6" 15" HKR12558 1-7/8" 2-1/2" 6" 15"
Slip-On Collectors 2-1/4" 4" HKR14770 HKR12351* 1-3/4" 2" 6" 15" HKR12560 1-7/8" 3" 6" 15"
HKR12352* 1-3/4" 4" 6" 15" HKR12570 2" 3" 6" 15"
HKR12358* 1-7/8" 2-1/2" 6" 15" HKR12572 2" 4" 6" 15"
HKR12370* 2" 3" 6" 15" HKR12580 2-1/8" 3" 6" 15"
Collector Extensions
HKR12390* 2-1/4" 3-1/2" 6" 15" HKR12582 2-1/8" 4" 6" 15"
Add bottom end torque with a set of bolt-on HKR12397* 2-1/2" 4" 6" 15" HKR12590 2-1/4" 3-1/2" 6" 15"
18" collector extensions. Sold in pairs. HKR12399* 3" 4" 6" 15" HKR12592 2-1/4" 4" 6" 15"
HKR11235 HKR12520 1-3/8" 2-1/2" 6" 15" HKR12596 2-3/8" 3-1/2" 6" 15"
Part No. Description HKR12525 1-1/2" 2" 6" 15" HKR12597 2-1/2" 4" 6" 15"
HKR11230 Collector Extensions, Bolt-On, 3" O.D. x 18" L. HKR12530 1-1/2" 2-1/2" 6" 15" HKR12599 3" 4" 6" 15"
HKR11235 Collector Extensions, Bolt-On, 3-1/2" O.D. x 18" L. HKR12532 1-1/2" 4" 6" 15"
*16-Gauge Tubing.
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