Tri-Y Headers for 64-67 GM A Body 265-400 SBC 1-5/8in Primary D376Y
Tri-Y Headers for 64-67 GM A Body 265-400 SBC 1-5/8in Primary D376Y is backordered and will ship as soon as it is back in stock.
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Fitment
Fitment
Warranty Information
Warranty Information
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Description
Description
Overview:
64-67 GM A Body SBC Tri Y Silver Ctd
Doug's is the pioneering force behind the popular TRI-Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid-range torque without sacrificing top end power. TRI-Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency.
Features:
- 3/8" thick machined flanges to prevent warping
- CNC mandrel bent tubes ensure accurate fit and better flow
- Heavy 16-guage tubing for longer life
- Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating
Specs:
- Brand: Doug's Headers
- Collector Attachment: 3-Bolt Flange
- Collector Diameter: 2.5 IN
- Collector Port Diameter: 2.5 IN
- Color: Silver
- Cylinder Head Port Shape: Oval
- Design: Tri-Y
- EGT Port: No
- Finish: Metallic Ceramic Coated
- Flange Thickness: 0.375 IN
- Gasket Or Seal Included: Yes
- Gaskets Included: Yes
- Grade Type: Performance
- Header Material: Steel
- Header Style: Tri-Y
- Material: Steel
- Mounting Hardware Included: Yes
- Oxygen Sensor Port: No
- Port Shape: Oval
- Primary Tube Outside Diameter: 1.625 IN
- Primary Tubing Diameter: 1.625 IN
- Prop 65 (C, R or CR): CR
- Prop 65 Yes/No: Yes
- Sheen Level: Semi-Gloss
- Title: Doug's Tri Y Header 64-67 GM A Body 265-400 SBC 1 5/8-2" Primary 2 1/2" Collector Silver Ceramic Coated D376Y
- Tube Wall Thickness: 16 GU
- Part Number: D376Y
Applications:
- 1964-1967 Chevrolet Chevelle 283 CID
- 1964-1967 Chevrolet Chevelle 327 CID
- 1964-1967 Chevrolet El Camino 283 CID
- 1964-1967 Chevrolet El Camino 327 CID
- 1964-1967 Chevrolet Malibu 283 CID
- 1964-1967 Chevrolet Malibu 327 CID
Emissions:
- This product is Legal for use on Pre-Pollution Controlled Vehicles. It is legal for use on all vehicles produced Before Emissions Control Regulations were imposed. These are considered Uncontrolled Vehicles and are defined as follows
- 1965 and Older US Manufactured California Certified Vehicles
- 1967 and Older US Manufactured Federally Certified Vehicles
- 1967 and Older Foreign Manufactured Vehicles
Instructions:
Fitment Notes:
- Fits most angle plug heads.
- Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 and ZZ6 engines.
- Installation requires left side A/C bracket part number H7608.
- Does not fit with power glide transmission.
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