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Hooker Headers 8501HKR LS Cast Iron Exhaust Manifolds

-11%

Hooker Headers 8501HKR LS Cast Iron Exhaust Manifolds
Hooker Headers

|

#9308501

Hooker Headers 8501HKR LS Cast Iron Exhaust Manifolds

  • Recommended for strong performance on engines making up to 500 horsepower
  • They are intended for all GM LS (except LS7 and LS9) engine swap applications
  • Engineered to be free-flowing for good performance and catalytic converter efficiency
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$491.95

/pair

In Stock

$553.95

Save $62.00


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Product Summary

Universal Fit, Iron, Natural, Round Port Flange Style

  • Recommended for strong performance on engines making up to 500 horsepower
  • They are intended for all GM LS (except LS7 and LS9) engine swap applications
  • Engineered to be free-flowing for good performance and catalytic converter efficiency
  • They are cast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance
  • A tight tuck design provides an universal fit for most popular chassis and a clean traditional muscle car appearance
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Key Specs

MFG. Part #8501HKR
BrandHooker Headers
Material TypeIron
FinishNatural
See more specs

Need To Know

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855.313.9176
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Hooker Headers 8501HKR Details

As featured on Classic Truck’s Week to Wicked. Watch the transformation here!

Hooker cast iron exhaust manifolds have been designed to hug close to the engine block so they fit into a wide variety of replacement and engine–swap applications. Their contoured design aims the exhaust directly at the exit port for improved flow. Being cast iron means they will provide years of leak–free performance with less under hood noise than traditional headers. Plus, their shorty design means you can route exhaust tubing close to your frame/floor pan for maximum ground clearance. “Hook” up your GM LS engine with Hooker cast iron Manifolds today!

  • Intended for all GM LS (except LS7 and LS9) engine swap applications where durability, quiet operation, emissions compliance and leak-free sealing is desired.
  • Recommended for strong performance on engines making up to 500 horsepower (For optimum high rpm performance see Hooker long tube engine swap headers)
  • Tight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance - ideal for GM E-Rod installations.
  • Free-flowing for good performance and catalytic converter efficiency.
  • Cast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance.
  • 2 bolt exit flange configuration matches 2010 Camaro (also the same as the E-rod exhaust manifolds) which can be used with OE gaskets and fasteners if desired, for an OE quality seal.
  • 2.25-inch outlet diameter 
  • 304 stainless steel mating flanges included (mating flange fasteners are not included)

Charts

CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine
CARB warning

Hooker Headers 8501HKR Specifications

KEY SPECS
MFG. Part #8501HKR
BrandHooker Headers
Material TypeIron
FinishNatural
GENERAL
Flange StyleRound Port
Gasket(s) IncludedNo
Drivers Side Dimension A4.55"
Drivers Side Dimension B9.63"
Drivers Side Dimension C18.88"
Passenger Side Dimension A4.60"
Passenger Side Dimension B8.50"
Passenger Side Dimension C18.75"
Hardware IncludedNo
Sold in QuantityPair
Notes304 stainless steel mating flanges included.
GTIN Code090127681244

Ratings & Reviews

4.9

14 Reviews

Overall Assessment

Customers appreciate the high quality, tight fit of the headers, appreciating their utility in different models like the 1947 Studebaker, 1978 Silverado, and 50 Chevy truck, where there was limited space for LS swaps. They have commended on the product's convenience, functionality, and aesthetic appeal, with a clean look and sturdy casting. The headers provided the necessary clearance, and some customers used them for custom builds, ensuring they could withstand demanding conditions. Customers have wished for the addition of studs with the headers. The headers were compared favorably to OEM and stock exhaust manifolds, and have been seen as a great option for hot rod truck projects.

Write A Review

4.9

14 reviews

5

12

4

2

3

0

2

0

1

0

Filter by Ratings

Nice high quality headers with tight fit

5.0

3 years ago

Rickster

Cave Creek, AZ

Verified

The headers fit between the frame rails where the OEM exhaust manifold would not

Would Recommend

Would buy again

5.0

3 years ago

Sandman

Tn

Verified

I have 1947 studebaker m5 sitting on 1978 Silverado 1/2. Took out the 433 bbc replaced with 2003 5.3,Stock exhaust manifold fit the frame.these Hookers fit the bill! Got the clearance I needed.Basically I'll have one bend to the stacks.Been nice if studs where with it but I had new ones.

Would Recommend

Yes

5.0

4 years ago

Bens

Alabama

Verified

It was just what I needed for a tight fit.

Would buy for sure.

5.0

4 years ago

Matt

South Bend In.

Verified

53 chevy truck with LS376/480 installed.

Would Recommend

Msnifolds

5.0

5 years ago

Steve

Hudson falls ny

Verified

Woked grate, good quality

Would Recommend

Yes

4.0

5 years ago

Ben

South Gate

Verified

I'm doing a la swap on a 50 Chevy truck and I think I bought the right exhaust for it.

Would Recommend

I love working with Speedway. !! The best!!

5.0

5 years ago

Willey the whiz

Ceresco MI

Verified

Great product. Thought they might come with studs

Would Recommend

Perfect fit on my 79 Malibu

5.0

6 years ago

Spinnerbait

Tennessee

Verified

Nice clean look , casting was good , fit excellent

Would Recommend

Hooker manifolds

5.0

8 years ago

Clemons

Ringgold ga

Verified

Bought these to fit my 5.3 inbetween the frame rails they work great !

Would Recommend

Hooker manifolds

5.0

8 years ago

Clemons

Ringgold

Verified

Great quality made product ! I opted for these for a quick way to clear frame rails in a 50 model chevy truck. Still had to trim the passenger frame rail but it was super easy! Look great !

Would Recommend

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Showing 10 of 14 reviews

Fitment

  • GM LM4

  • GM LS6

  • GM LS2

  • GM LSA

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM L76

  • GM LC9

  • GM LMG

  • GM LY5

  • GM LY5

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LS1

  • GM LS3

  • GM LS1

  • GM LS1

  • GM LS6

  • GM LS2

  • GM LS3

  • 4.8 Chevy LS V8

  • GM LM7

  • 4.8 Chevy LS V8

  • GM L20

  • GM LM7

  • GM LY2

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LS3

  • GM LM4

  • GM LMG

  • GM LY5

  • GM LM7

  • GM L59

  • GM LM7

  • GM LC9

  • GM LMG

  • GM LY5

  • GM LC9

  • GM LMG

  • GM LMG

  • GM LY5

  • GM LQ4

  • GM LMG

  • GM LY5

  • 4.8 Chevy LS V8

  • GM L59

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LMG

  • GM LY5

  • 6.2 Chevy LS V8

  • GM LC9

  • GM LMG

  • GM LC9

  • GM LMG

  • GM LMG

  • GM LY5

  • GM LH6

  • GM LS2

  • GM LM4

  • GM LM4

  • GM LM4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • GM L20

  • GM LC9

  • GM LMG

  • GM L33

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L20

  • GM LM7

  • GM LY2

  • GM LC9

  • GM LMG

  • GM LM7

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • 6.2 Chevy LS V8

  • GM LH8

  • GM LH8

  • GM LS1

  • GM LS3

  • GM LS1

  • GM LS2

Customer Impersonation Script