Track OrderOrder Status & ReturnsHelpGift CardsHelpHelp CenterPhone1-800-345-4545
Shop by Category

Most Popular

Restoration

Shop All Categories

Shop New ProductsShop ALL BrandsTech ArticlesDeals
MY ACCOUNT
Order Status & Returns
CONTACT USHELP CENTER
Logo
Cart0
$000
Tight Tuck Headers Small Block Chevy 265-400 (Round Ports)
InfoVehicle Info Needed
PATRIOT EXHAUSTPART NUMBER: 737-H8037-1

Tight Tuck Headers Small Block Chevy 265-400 (Round Ports)

$52378$581.98You Save$58.20
ShippingShips on Sep 04, 2026
Lowest PriceLowest Price Guarantee
Best Value
Save
$16379
Ceramic Coated Block Hugger Headers for 1955-1957 Small Block Chevy 265-400 ci

555-300555

Ceramic Coated Block Hugger Headers for 1955-1957 Small Block Chevy 265-400 ci

$35999

Chevy Engines
    Tight Tuck Headers
  • Small Block Chevy 265-400 (Round Ports)
  • 1-5/8'' Primary Tubes, 2-1/2'' Collectors
  • Will fit most angle plug heads
  • Metallic Ceramic Coating

  • Universal application for most street rods
  • Can be used with any oil filter system or transmission and starter combination
  • Will not fit 1955-1957 Chevy, Camaro, or other modern vehicles with a crossmember below the engine's center two exhaust ports

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeHeader
BrandPATRIOT EXHAUST
Package Height7.9
Package Width17.3
Package Length20.6
Weight17.15 PG
Part CategoryPerformance Parts
Header FinishSilver ceramic coated
QuantitySold as a pair
Bolts/Studs IncludedYes
Cylinder Head Port ShapeRound
Transmission Mount IncludedNo
Header MaterialSteel
Gaskets IncludedYes
Weld-UpNo
Collector Attachment3-bolt flange
Flange StyleStandard
TunedNo
Collector Diameter2.5 in (63.5 mm)
Motor Mounts IncludedNo
Part FitmentSemi Universal
Reducers IncludedYes
Primary Tube Gauge16-gauge
Header StyleBlock hugger
Cross Over Pipe IncludedNo
Catalytic Converter(S) IncludedNo
Primary Tube Diameter1.625 in (41.3 mm)
Vendor Part NumberH8037-1
Package Qty1
Package TypeEA
No Questions
No Reviews
Please click here to download the instructions PDF file

Items You Need

Exhaust & Header Wrap 1 in. x 50 ft. x 1/16 in. Thick

JEGS

Exhaust & Header Wrap 1 in. x 50 ft. x 1/16 in. Thick

Part Number : 555-32052
$2699
Exhaust & Header Wrap 2 in. x 50 ft. x 1/16 in. Thick

JEGS

Exhaust & Header Wrap 2 in. x 50 ft. x 1/16 in. Thick

Part Number : 555-32057
$4899$53.99
You Save$5.00
Exhaust & Header Wrap 1 in. x 50 ft. x 1/16 in. Thick

JEGS

Exhaust & Header Wrap 1 in. x 50 ft. x 1/16 in. Thick

Part Number : 555-32062
$2799$30.79
You Save$2.80
Spark Plug Wire Boot Guards, Black [Set of 8]

JEGS

Spark Plug Wire Boot Guards, Black [Set of 8]

Part Number : 555-40300
$4499$49.99
You Save$5.00
Spark Plug Wire Boot Guards, Red [Set of 8]

JEGS

Spark Plug Wire Boot Guards, Red [Set of 8]

Part Number : 555-40302
$5499$60.99
You Save$6.00
Spark Plug Wire Boot Guards, Blue [Set of 8]

JEGS

Spark Plug Wire Boot Guards, Blue [Set of 8]

Part Number : 555-40304
$5499$60.99
You Save$6.00
Spark Plug Wire Boot Guards, Silver [Set of 8]

JEGS

Spark Plug Wire Boot Guards, Silver [Set of 8]

Part Number : 555-40310
$4499$49.99
You Save$5.00
Ceramic Coated Header Polish 6 oz

CAR CHEMISTRY

Ceramic Coated Header Polish 6 oz

Part Number : 176-CGHP6
$1599

ITEM YOU MAY ALSO CONSIDER

Ceramic Coated Block Hugger Headers for 1955-1957 Small Block Chevy 265-400 ci

JEGS

Ceramic Coated Block Hugger Headers for 1955-1957 Small Block Chevy 265-400 ci

Part Number : 555-300555
$35999$395.99
You Save$36.00
Block Hugger Header for Small Block Chevy Engine Swap Applications [Ceramic Coated]

FLOWTECH

Block Hugger Header for Small Block Chevy Engine Swap Applications [Ceramic Coated]

Part Number : 387-31000
$59995
Street Rod Block Hugger Headers SB-Chevy 283-400

HEDMAN

Street Rod Block Hugger Headers SB-Chevy 283-400

Part Number : 500-68406
$55499
Super Competition Block Hugger Headers 265-400 Chevy Small Block V8

HOOKER HEADERS

Super Competition Block Hugger Headers 265-400 Chevy Small Block V8

Part Number : 520-2001
$60795$675.95
You Save$68.00
Tight Tuck Headers Small Block Chevy 265-400 (Round Ports)

PATRIOT EXHAUST

Tight Tuck Headers Small Block Chevy 265-400 (Round Ports)

Part Number : 737-H8027-1
$50845$564.95
You Save$56.50
Tight Tuck Headers Small Block Chevy 265-400

PATRIOT EXHAUST

Tight Tuck Headers Small Block Chevy 265-400

Part Number : 737-H8052-1
$52378$581.98
You Save$58.20
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning
Your Cart

Your shopping cart is empty!