Many orders ship free — you always see your exact shipping cost before you pay
Yittzy
Patriot Exhaust Patriot Exhaust Chevy Big Block 572 Engines, Heavy Duty 3/8" Header Flange Kit - 2 - 2/18" Tube Diameter - D-port Port Shape - H7898
Hover to zoom
Patriot Exhaust

Patriot Exhaust Chevy Big Block 572 Engines, Heavy Duty 3/8" Header Flange Kit - 2 - 2/18" Tube Diameter - D-port Port Shape - H7898

In Stock
MPN: H7898UPC: 694342519636
Almost gone! Only 1 remaining
$115.30$131.90SAVE 13%
Starting at $10/mowithaffirm
12 months
Fits:Universal Fit

Header Flange - 0.375 in Thick - 2.23 x 1.85 in D Port - Steel - Natural - Big Block Chevy - Pair

1

Secure Checkout

SSL Encrypted

Easy Returns

30-day policy

Guaranteed Fitment

Or your money back

Pay Over Time

With Affirm

Usually ships in 1-3 business days

Header Flange - 0.375 in Thick - 2.23 x 1.85 in D Port
- Steel
- Natural
- Big Block Chevy
- Pair

Earn 115 Yittzy Rewards points with this purchase — 1 point per $1 spent. Join free

Installation Overview

Difficulty
🔧🔧🔧⚪⚪
Intermediate
Est. Time
2-6 hrs
Skill Level
Intermediate
Pro Install
Optional
Common Tools: Socket set, Screwdriver set, Torque wrench
Read our Performance Upgrades Guide→

Compare Exhaust Flange Options

See how this product compares at different price points

Budget Pick
Exhaust Flange; 4.4375 in. BHC; 3.5 in. ID; 4.8125 in. Flange W; 4.6875 in. Flange H; 0.375 in. Thickness; Stainless Steel; 3 Bolt; Single Flange; Retail Packed; 1pc.;

Vibrant Performance

Exhaust Flange; 4.4375 in. BHC; 3.5 in. ID; 4.8125 in. Flange W; 4.6875 in. Flange H; 0.375 in. Thickness; Stainless Steel; 3 Bolt; Single Flange; Retail Packed; 1pc.;

$44.99

Best Value
Current
Patriot Exhaust Chevy Big Block 572 Engines, Heavy Duty 3/8" Header Flange Kit - 2 - 2/18" Tube Diameter - D-port Port Shape - H7898

Patriot Exhaust

Patriot Exhaust Chevy Big Block 572 Engines, Heavy Duty 3/8" Header Flange Kit - 2 - 2/18" Tube Diameter - D-port Port Shape - H7898

$115.30

Premium Pick
"Header Collector Ball Flange Kit, 3.00"" To 3.00"", Requires Welding, 16 Gauge Aluminized Steel: 1 pr"

Flowmaster

"Header Collector Ball Flange Kit, 3.00"" To 3.00"", Requires Welding, 16 Gauge Aluminized Steel: 1 pr"

$207.95

Complete the BuildMore from Patriot Exhaust

Patriot Exhaust Universal Side Pipe Hook-Up Kit - H7402

Exhaust Pipe Installation Kit

Patriot Exhaust Universal Side Pipe Hook-Up Kit - H7402

$126.27

Patriot Exhaust 18 Gauge Mild Steel J Bends - 2 1/2" Tube Diameter / 3" Radius Distance - H7054

Exhaust Pipe

Patriot Exhaust 18 Gauge Mild Steel J Bends - 2 1/2" Tube Diameter / 3" Radius Distance - H7054

$65.88

Patriot Exhaust Smithy’s® Muffler - 2 1/2" Inlet/Outlet Diameter / 26" Case Length - H3017

Exhaust Silencer Insert

Patriot Exhaust Smithy’s® Muffler - 2 1/2" Inlet/Outlet Diameter / 26" Case Length - H3017

$104.28

Patriot Exhaust 1964-92 GM F / G / A Body 265-400 Small Block Chevy 1 5/8" 4-Tube Clippster Header with Hi-Temp Black Coating - H8021-B

Exhaust Header

Patriot Exhaust 1964-92 GM F / G / A Body 265-400 Small Block Chevy 1 5/8" 4-Tube Clippster Header with Hi-Temp Black Coating - H8021-B

$392.01

Patriot Exhaust 18 Gauge Mild Steel U Bends with 6" Leg Lengths - 2" Tube Diameter / 4" Radius Distance - H7038

Exhaust Pipe

Patriot Exhaust 18 Gauge Mild Steel U Bends with 6" Leg Lengths - 2" Tube Diameter / 4" Radius Distance - H7038

$32.91

Patriot Exhaust 16 Gauge Mild Steel U Bends with 6" Leg Lengths - 2 1/4" Tube Diameter / 4" Radius Distance - H7050

Exhaust Pipe

Patriot Exhaust 16 Gauge Mild Steel U Bends with 6" Leg Lengths - 2 1/4" Tube Diameter / 4" Radius Distance - H7050

$43.88

Buying Guides

Jeep Performance Upgrades GuideJeep Exhaust System Buyer's Guide: Cat-Back, Axle-Back, and Headers
Compare Exhaust FlangeBest Exhaust Flange→

Related Articles

Top 2 Upcoming Jeep Events This August 2026

Jeep Culture · Jul 18, 2026

Guide to Wisconsin Badger State Jeep Fest 2026

Jeep Culture · Jul 18, 2026

Top 6 Upcoming Jeep Events This July 2026

Jeep Culture · Jul 17, 2026

You May Also Like