Tri-Y Full-Length Headers 1963-1987 Chevy 1/2, 3/4, 1-Ton 2WD/4WD 265-400ci [Metallic Ceramic-Coated]

Name: Tri-Y Full-Length Headers 1963-1987 Chevy 1/2, 3/4, 1-Ton 2WD/4WD 265-400ci [Metallic Ceramic-Coated]
Brand: DOUG'S HEADERS
SKU: 776-D300Y
Price: 841.87 USD
Availability: InStock

^$841⁸⁷$935.41You Save$93.54

Ships on 09/14/2026

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1973-1991 Chevy 265-400

Tri-Y Full-Length Headers

1963-1987 Chevy 1/2, 3/4, 1-Ton 2WD/4WD 265-400ci

1963-1991 Chevy Blazer/Suburban

1-5/8 in. to 2 in. Tube Diameter

2-1/2 in. Collectors

Oval Port Shape

Metallic Ceramic-Coated Finish

Notes:

Fits D-Port cylinder heads including ZZ4 crate engines
Will fit most angle plug heads including factory Chevrolet 'Bow-Tie' heads
Non-catalytic converter equipped
Does not fit 4 wheel drive 4-speed applications with bell housing mounts
Will fit 4 wheel drive floor shift manual transmissions

Emission Code:

The product accompanying this document is legal only for off-highway use (except in California or states that have adopted California emission standards), racing use or for use on pre-emission-controlled motor vehicles/motor vehicle engines (pre-1974 domestic vehicles certified to California standards, pre-1974 domestic vehicles certified to federal standards and all pre-1974 foreign vehicles), per the manufacturer's application guide.

			Automatic		Manual
A/C	P/B	P/S	Column	Floor	Column	Floor
Y	Y	Y	Y	Y	N	N

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

BrandDOUG'S HEADERS

Package Height11.0

Package Width20.5

Package Length39.0

Weight29.0 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part NumberD300Y

Package Qty1

Package TypeEA