Best Remflex Header Gaskets in 2026

Meets or exceeds all original equipment specifications

Application specific design to ensure a perfect fit

Validated for fit

Meets or exceeds all original equipment specifications

Application specific design to ensure a perfect fit

Validated for fit, form, and function

1-7/8" Diameter Round Port; Chevy V8 - 4.8L, 5.3L, 6.0L LS2 ('99-'08), 5.7L, LS1 LS6 ('97-'08), includes Vortec, Manifold or Headers, 2/Set

Port configuration comparable to Fel-Pro 1440

Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

Matches the Stock Cylinder Head Port; AMC V8 - 304('70-'79), 360('70-'93), 390('70), 401('71-'76), Dog Leg Stock Port, Manifold or Headers, 2/Set

Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

Remflex exhaust gaskets come in a standard 1/8 inch thickness and are designed to crush 50 percent allowing them to fill any pits or gaps in the flange surface up to 1/16 inch

Brand New Aftermarket Exhaust Flange Gasket, including 5 PCS 120-07610-0005

Flexible Graphite, Reliable Sealing

High & Low Temperature Resistant

【FIRMLY CLIP & 50X SHOCKPROOF】: Features a strong triangle support, an extendable chromed steel clip hook and a metal screw mechanical lock clasp, YRU car phone mount holds your phone tightly to the air vent and maintains the optimal viewing angle even on the bumpy road or sharp turn. Integration of up to 500+ competitors’advantages, 30000KM+ road test. Enabling you to drive in confidence

【INNOVATIVE DESIGN & EXTRA PROTECTION】Integrated with a locking reminder device that prevents from being overfastened, providing extra vents/mount protection. Steel Hook with chromed surface is more durable and has no sharp edges. Multi-layered silicone pads protect your phone and vent fins from being scratched

【360°ROTATION & ONE-HAND OPERATION】: With YRU phone holder, your cell phone can be adjusted to any view angle without blocking the vents.You can easily lay and remove the phone on the wide comfortable phone cradle with instant release button and just enjoy the best driving experience

Bolt To Bolt Measurement: 3" / 76mm

Enables you to build your own infinitely customizable gaskets

Made of a heat resistant tear resistant compressed fiber laminate

can be trimmed into any configuration to meet your exact specifications

2 1/2" Header Collector Gasket---- The exhaust header collector gaskets are especially designed for SBC BBC 302 350 454, and fit all 2.5 inch collector with Triangle (3 Bolt Pattern). brand new, please confirm whether the product is suitable before purchasing

High Quality Copper---- The exhaust header collector gasket is made of finest .041’’ thick solid copper with impeccable durability performance, wear-resisting, anti-strike, anti-scratch, dust-proof and colorfast

Sealing Performance---- Embossed port ridge for a perfect leak-proof seal, no additional sealant is required. No more worry about leaky header blues

3" Header Collector Gasket---- The header collector gaskets are especially designed for SBC BBC 302 350 454 383, and fit all 3 inch collector with Triangle (3 Bolt Pattern). brand new, please confirm whether the product is suitable before purchasing

High Quality Copper---- The header collector gasket is made of finest .041’’ thick solid copper with impeccable durability performance, wear-resisting, anti-strike, anti-scratch, dust-proof and colorfast

Sealing Performance---- Embossed port ridge for a perfect leak-proof seal, no additional sealant is required. No more worry about leaky header blues

Gasket for 4-2-1 headers

New M10 x 1.25 studs and nuts

2" (id) graphite donut gasket

2-1/2" Pipe; Universal 2-1/2” Collector Flange, 3 Bolt Holes, 3-1/32" Bolt Hole Spacing, 2/Set

Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

Remflex exhaust gaskets come in a standard 1/8 inch thickness and are designed to crush 50 percent allowing them to fill any pits or gaps in the flange surface up to 1/16 inch

See Part Number 6006 for 2-1/4" Pipe Flange; Mopar Exhaust Collector Gasket 2-1/2" Pipe, 2 Bolt Holes (One slotted) 3-29/32" Bolt Hole Spacing, 2/set

Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

Remflex exhaust gaskets come in a standard 1/8 inch thickness and are designed to crush 50 percent allowing them to fill any pits or gaps in the flange surface up to 1/16 inch

🔧 【High Quality Copper】:The exhaust header collector gasket made of 2.5" solid copper 0.41" thick with impeccable durability performance, wear-resisting, anti-strike, anti-scratch, dust-proof and colorfast.without included bolts

🔧 【Wide Applicability】:This 2 1/2" Header Collector Gasket are especially designed for SBC BBC 302 350 454, and fit all 2.5 inch collector with Triangle (3 Bolt Pattern).

🔧 [Excellent Sealing Effect]: The exhaust header collector gasket uses a durable composite O-shaped design to form a tight leak-proof seal, without additional sealant, and can seal perfectly every time.

1-1/2" Diameter Round Port; Ford V10 - Triton, 6.8L ('97-'12), 1-1/2" Round Port, Manifold or Headers, 2/Set

Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

Remflex exhaust gaskets come in a standard 1/8 inch thickness and are designed to crush 50 percent allowing them to fill any pits or gaps in the flange surface up to 1/16 inch

1-1/8 inch width x 1-3/4 inch height D Shaped Center Ports; Pontiac V8 - 326, 350, 370, 389, 400, 421, 428, 455, Port Match to Head, Manifold or Headers, 2/Set

1-3/8 inch width x 1-13-16 inch height Oval End Ports

There are no rubber binders or composite materials in Remflex exhaust gaskets so they will not shrink or harden due to time or temperature eliminating the need to go back and continually retighten your flange bolts

▶️ Aluminum Reinforced Graphite Exhaust Manifold Gasket

▶️ Complete Hardware Kit for Installing Aftermarket Header to your Vehicle

▶️ Great for Replacement of Missing or Damaged Gaskets

Two 1-1/2 inch width x 1-29/32 inch height Divided Center Ports; Oldsmobile V8 - 260, 307, 330, 350, 350, 400, 403, 425, 455 ('64-'90), Headers Only, 2/Set

1-7/16" wide x 1-15/16" high Square End Ports

There are no rubber binders or composite materials in Remflex exhaust gaskets so they will not shrink or harden due to time or temperature eliminating the need to go back and continually retighten your flange bolts

Genuine Mr. Gasket product

Designed for performance

Made from quality materials

Height: 15mm / 0.59"; Product Name: Exhaust Donut Gasket

Material: Graphite; Package Content: 1 x Exhaust Donut Gasket

Inner Diameter: 48mm/ 1.9"

Fit for : SBC Header Gaskets Fits for SB 283-327-350-383-400 engines.

Fit for : SBC Header Gaskets Fits for SB 283-327-350-383-400 engines.

Fit for : SBC Header Gaskets Fits for SB 283-327-350-383-400 engines.

These Copper Plating​ Exhaust Gaskets are fit for SB Chevy 283-327-350-383-400 engines. Original standard, direct replacement for your old or broken one.

The Gsk moto Exhaust Gaskets are made with top quality copper plating material for maximum durability.

Seal perfectly every time by creating a tight leakproof seal by using a clad o-ring design that will last!

Applicable models ---- Each time you use a coated O-ring design to create a tight leak-proof seal, suitable for SB Chevy 283-327-350-383-400 engine, please check the car model before buying, avoid buying the wrong one.

Excellent material ---- Header Exhaust Gasket Seal is made of high-quality solid copper material. It has great durability, is firm and not easy to crack.

Reusable ---- Exhaust Manifold Gasket Set is a partial component. It is flexible and can be reused. It does not require a sealant. It can adjust the fixed length according to actual needs and has good performance.

Precision fit for improved sealing

Steel core provides superior adhesion

Design constributes to exact fit between cylinder head and header to improve exhaust flow

Precision fit for improved sealing

Steel core provides superior adhesion

Design constributes to exact fit between cylinder head and header to improve exhaust flow

BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built

Premium Graphite Material Ensures Leak Free Seal Every Time

Port Matched For Optimum Flow of All Exhaust Headers

Matches OE form, fit, and function

Manufactured from premium materials

Quality construction for durability

Designed to deliver trouble-free, consistent performance

Right for your vehicle and lifestyle

Made from high-quality materials for ultimate durability

Precision fit for improved sealing

Steel core provides superior adhesion

Design constributes to exact fit between cylinder head and header to improve exhaust flow

Applicable models: Compatible with all LS series engines (except LS7) LS1 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG LS3 L98 L9H L20 L94 LZ1 L99 L96 LC8 L77 Don't forget to refer to the product description when purchasing to make sure the parameters in it match your vehicle!

Advantages: The dimensions and parameters of our products are precisely manufactured and produced according to the original accessories, accurate to the millimeter level, you can buy with confidence after referring to the description!

Installation method: The installation of this product is not complicated, you can search for relevant installation videos on the Internet, or send us a message after receiving the goods to provide you with installation tutorials and guidance programs!