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Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale

Save on Exhaust Manifold/Header Fastener Kits and more during Happy Holley Days!

Get a great deal now on all of your favorite brands including ACCEL, B&M, Demon, Detriot Speed, DiabloSport, Drake Muscle Cars, Earl's, Edge, Flowmaster, Flowtech, Hays, Holley EFI, Hooker, Hurst, Lakewood, Mallory, Mr. Gasket, MSD, NOS, ProForged, Quick Fuel, QuickTime, Racepak, Range Technology, Sniper, SPAL, Superchips, Weiand and more!

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Items 1-20 of 20
Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolt Kit - 3/8"-16 x 3/4" w/ Mini 3/8" Hex Head - 12 Pieces
Mr. Gasket Header Bolt Kit - 3/8"-16 x 3/4" w/ Mini 3/8" Hex Head - 12 Pieces


Not available for shipment to Alaska or Hawaii.
(0) Reviews: Write first review
Description: Header Bolt, Mini, 3/8-16 in Thread, 0.750 in Long, Hex Head, Steel, Black Oxide, AMC V8 / GM V8 / Mopar B / RB-Series, Set of 12
Item #: MRG3409
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $30.02
Sale: $27.02
Save: 10%
Save: $3.00

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolt Kit - Hex - 3/8"-16 x 1" (12 Set)
Mr. Gasket Header Bolt Kit - Hex - 3/8"-16 x 1" (12 Set)
(0) Reviews: Write first review
Description: Header Bolt, 3/8-16 in Thread, 1.000 in Long, Allen Head, Steel, Black Oxide, AMC V8 / GM V8 / Mopar B / RB-Series, Set of 12
Item #: MRG917
Condition: New
Limited Supply: Only 4 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $17.37
Sale: $15.63
Save: 10%
Save: $1.74

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolt Kit - Hex - 3/8"-16 x 3/4" - 12 Pieces
Mr. Gasket Header Bolt Kit - Hex - 3/8"-16 x 3/4" - 12 Pieces
(0) Reviews: Write first review
Description: Header Bolt, 3/8-16 in Thread, 0.750 in Long, Hex Head, Steel, Black Oxide, AMC V8 / GM V8 / Mopar B / RB-Series, Set of 12
Item #: MRG915
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $11.01
Sale: $9.91
Save: 10%
Save: $1.10
Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolt Set (12 Pack) GM LS1 8mm
Mr. Gasket Header Bolt Set (12 Pack) GM LS1 8mm
(0) Reviews: Write first review
Description: Header Bolt Kit, 8 mm x 1.25 Thread, 25 mm Long, Hex Head, Steel, Black Oxide, Set of 12
Item #: MRG918G
Condition: New
Limited Supply: Only 7 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $12.27
Sale: $11.04
Save: 10%
Save: $1.23

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolt Set - 3/8-16 x 0.75"
Mr. Gasket Header Bolt Set - 3/8-16 x 0.75"
(0) Reviews: Write first review
Description: Header Bolt, 3/8-16 in Thread, 0.750 in Long, Hex Head, Stainless, Polished, AMC V8 / GM V8 / Mopar B / RB-Series, Set of 12
Item #: MRG2210G
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $39.47
Sale: $35.52
Save: 10%
Save: $3.95

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolt Set - 3/8-16 x 0.75"
Mr. Gasket Header Bolt Set - 3/8-16 x 0.75"


Not available for shipment to Alaska or Hawaii.
(0) Reviews: Write first review
Description: Header Bolt, 3/8-16 in Thread, 0.750 in Long, Hex Head, Stainless, Polished, Big Block Chevy / Small Block Ford, Set of 16
Item #: MRG2211G
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $47.32
Sale: $42.59
Save: 10%
Save: $4.73

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolt Set - 5.88" H x 4" W x 1.25" D
Mr. Gasket Header Bolt Set - 5.88" H x 4" W x 1.25" D


Not available for shipment to Alaska or Hawaii.
(0) Reviews: Write first review
Description: Header Bolt, 3/8-16 in Thread, 0.750 in Long, Hex / Allen Head, Steel, Black Oxide, AMC V8 / GM V8 / Mopar B / RB-Series, Set of 12
Item #: MRG3420G
Condition: New
Limited Supply: Only 6 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $20.52
Sale: $18.47
Save: 10%
Save: $2.05

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolts - 8mm
Mr. Gasket Header Bolts - 8mm
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Description: Header Bolt, 8 mm x 1.25 Thread, 25 mm Long, Hex Head, Steel, Black Oxide, GM LS-Series / Ford Modular / Mopar Gen III Hemi, Set of 16
Item #: MRG978G
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $28.41
Sale: $25.57
Save: 10%
Save: $2.84
Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolts - 8mm
Mr. Gasket Header Bolts - 8mm
(0) Reviews: Write first review
Description: Header Bolt, 8 mm x 1.25 Thread, 30 mm Long, Allen Head, Steel, Black Oxide, GM LS-Series / Ford Modular / Mopar Gen III Hemi, Set of 16
Item #: MRG979G
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $26.83
Sale: $24.15
Save: 10%
Save: $2.68

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolts - Hex Head
Mr. Gasket Header Bolts - Hex Head
(0) Reviews: Write first review
Description: Header Bolt, 3/8-16 in Thread, 0.750 in Long, Hex Head, Steel, Black Oxide, Set of 100
Item #: MRG915A
Condition: New
Limited Supply: Only 5 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $82.14
Sale: $73.93
Save: 10%
Save: $8.21

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolts - Hex Head
Mr. Gasket Header Bolts - Hex Head
(0) Reviews: Write first review
Description: Header Bolt, 3/8-16 in Thread, 1.000 in Long, Hex Head, Steel, Black Oxide, Set of 100
Item #: MRG917A
Condition: New
Limited Supply: Only 6 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $111.00
Sale: $99.57
Save: 10%
Save: $11.43

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolts - Hex Head
Mr. Gasket Header Bolts - Hex Head
(0) Reviews: Write first review
Description: Header Bolt, 5/16-18 in Thread, 0.750 in Long, Hex Head, Steel, Black Oxide, Small Block Mopar, Set of 14
Item #: MRG976
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $20.52
Sale: $18.47
Save: 10%
Save: $2.05

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolts - Hex Head - 3/8"-16 x 3/4" - (16/Set)
Mr. Gasket Header Bolts - Hex Head - 3/8"-16 x 3/4" - (16/Set)
(0) Reviews: Write first review
Description: Header Bolt, 3/8-16 in Thread, 0.750 in Long, Hex Head, Steel, Black Oxide, Big Block Chevy / Small Block Ford, Set of 16
Item #: MRG919G
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $15.77
Sale: $14.19
Save: 10%
Save: $1.58

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Bolts - Socket Head
Mr. Gasket Header Bolts - Socket Head
(0) Reviews: Write first review
Description: Header Bolt, 3/8-16 in Thread, 0.750 in Long, Allen Head, Steel, Black Oxide, AMC V8 / GM V8 / Mopar B / RB-Series, Set of 12
Item #: MRG916
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $20.52
Sale: $18.47
Save: 10%
Save: $2.05
Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header Studs - Socket Head
Mr. Gasket Header Studs - Socket Head
(0) Reviews: Write first review
Description: Header Stud, 3/8 in Diameter, 1.500 in Long, Hex Nuts, Steel, Black Oxide / Cadmium, AMC V8 / GM V8 / Mopar B / RB-Series, Set of 12
Item #: MRG6312
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $48.98
Sale: $44.08
Save: 10%
Save: $4.90
Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Header To Muffler Bolt Kit - 3/8" -16 x 1"
Mr. Gasket Header To Muffler Bolt Kit - 3/8" -16 x 1"


Not available for shipment to Alaska or Hawaii.
(0) Reviews: Write first review
Description: Collector Bolt, 3/8 in Diameter, 1.000 in Long, Hex Head, Lock Nuts, Steel, Zinc Plated, Set of 3
Item #: MRG3413
Condition: New
Limited Supply: Only 6 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $11.01
Sale: $9.91
Save: 10%
Save: $1.10

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Locking Header Bolt 3/8-16" Thread 0.750" Long Hex Head - Stainless
Mr. Gasket Locking Header Bolt 3/8-16" Thread 0.750" Long Hex Head - Stainless
(0) Reviews: Write first review
Description: Header Bolt, Locking, 3/8-16 in Thread, 0.750 in Long, Hex Head, Stainless, Various Applications, Set of 12
Item #: MRG2230G
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $46.01
Sale: $41.41
Save: 10%
Save: $4.60

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Locking Header Bolt 3/8-16" Thread 0.750" Long Hex Head - Stainless
Mr. Gasket Locking Header Bolt 3/8-16" Thread 0.750" Long Hex Head - Stainless
(0) Reviews: Write first review
Description: Header Bolt, Locking, 3/8-16 in Thread, 0.750 in Long, Hex Head, Stainless, Various Applications, Set of 16
Item #: MRG2231G
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $55.21
Sale: $49.69
Save: 10%
Save: $5.52

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Locking Header Bolt 8 x 1.25 mm Thread 1.000" Long Hex Head - Stainless
Mr. Gasket Locking Header Bolt 8 x 1.25 mm Thread 1.000" Long Hex Head - Stainless
(0) Reviews: Write first review
Description: Header Bolt, Locking, 8 mm x 1.25 Thread, 25 mm Long, Hex Head, Stainless, GM LS-Series, Set of 12
Item #: MRG2235G
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $55.21
Sale: $49.69
Save: 10%
Save: $5.52

Hardware & Fastener Sale - Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale - Mr. Gasket - Mr. Gasket Locking Header Bolt 8 x 1.25 mm Thread 1.000" Long Hex Head - Stainless
Mr. Gasket Locking Header Bolt 8 x 1.25 mm Thread 1.000" Long Hex Head - Stainless
(0) Reviews: Write first review
Description: Header Bolt, Locking, 8 mm x 1.25 Thread, 25 mm Long, Hex Head, Stainless, Mopar Gen III Hemi, Set of 17
Item #: MRG2236G
Condition: New
Limited Supply: Only 4 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $64.40
Sale: $57.96
Save: 10%
Save: $6.44

Items 1-20 of 20

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More About Exhaust Manifold/Header Fastener Kits Happy Holley Days Sale

Save on Exhaust Manifold/Header Fastener Kits and more during Happy Holley Days!

Get a great deal now on all of your favorite brands including ACCEL, B&M, Demon, Detriot Speed, DiabloSport, Drake Muscle Cars, Earl's, Edge, Flowmaster, Flowtech, Hays, Holley EFI, Hooker, Hurst, Lakewood, Mallory, Mr. Gasket, MSD, NOS, ProForged, Quick Fuel, QuickTime, Racepak, Range Technology, Sniper, SPAL, Superchips, Weiand and more!