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
Lakester Headers Small Block Chevy 265-400 (Oval Ports)
InfoVehicle Info Needed
PATRIOT EXHAUSTPART NUMBER: 737-H8040-1

Lakester Headers Small Block Chevy 265-400 (Oval Ports)

$78074
ShippingShips on 10/30/2026
Lowest PriceLowest Price Guarantee

Chevy
    Lakester Headers
  • Small Block Chevy 265-400 (Oval Ports)
  • 1-5/8'' Primary Tubes, 3-1/2'' Collectors
  • Metallic Ceramic Coating

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 Height7.5
Package Width14.0
Package Length37.0
Weight24.6 PG
Part CategoryPerformance Parts
Header FinishSilver ceramic coated
QuantitySold as a pair
Bolts/Studs IncludedYes
Cylinder Head Port ShapeOval
Transmission Mount IncludedNo
Header MaterialSteel
Gaskets IncludedYes
Weld-UpNo
Collector Attachment2-bolt flange
Flange StyleStandard
TunedNo
Collector Diameter3.5 in (88.9 mm)
Motor Mounts IncludedNo
Part FitmentSemi Universal
Reducers IncludedNo
Primary Tube Gauge16-gauge
Header StyleLake-style
Cross Over Pipe IncludedNo
Catalytic Converter(S) IncludedNo
Primary Tube Diameter1.625 in (41.3 mm)
Vendor Part NumberH8040-1
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

Lakester Headers Small Block Chevy

FLOWTECH

Lakester Headers Small Block Chevy

Part Number : 387-11702-1
$53599
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!