Stage 8 Locking Bolts & Fasteners

For more than 25 years, Stage 8 has been manufacturing highly effective active mechanical locking systems that lock fasteners in place in critical automotive and heavy...

For more than 25 years, Stage 8 has been manufacturing highly effective active mechanical locking systems that lock fasteners in place in critical automotive and heavy equipment applications. Stage 8 guarantees its locking fasteners will keep critical bolted joints tight in the most-severe operating conditions. Summit Racing carries a wide selection of Stage 8 products, including header bolt kits, locking spindle nuts, header collector bolt kits, locking bolt kits, locking oil pan bolt kits, exhaust nuts, intake manifold bolts, and more! Lock it down with Stage 8 locking fasteners. Shop Summit Racing today!

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Results 1 - 25 of 217

Stage 8 Locking Header Fastener Kits 8911

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, V6, Small Block, Set of 12

Part Number: STG-8911

4.51 out of 5 stars ( 57 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8912A

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, Ford, Chrysler, Set of 16

Part Number: STG-8912A

4.88 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8900

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, 4.8, 5.3, 5.7L, V8, Set of 12

Part Number: STG-8900

4.83 out of 5 stars ( 36 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8911A

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, V6, Small Block V8, Set of 12

Part Number: STG-8911A

4.7 out of 5 stars ( 54 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8913A

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Ford, 260, 289, 302, 351W, Set of 16

Part Number: STG-8913A

4.28 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8912

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, Ford, Chrysler, V8, Set of 16

Part Number: STG-8912

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8916

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Dodge, Jeep, 4.7, 5.7L, Set of 17

Part Number: STG-8916

4.5 out of 5 stars ( 20 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8913

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Ford, Small Block Windsor, Set of 16

Part Number: STG-8913

4.58 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8914

Header Bolts, Locking, Internal Allen/Hex, Steel, Nickel Plated, 10mm x 1.25, Ford, 5.0L Modular, Set of 16

Part Number: STG-8914

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8912B

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, Ford, V8, Set of 16

Part Number: STG-8912B

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8932B

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, 3/8-16 in., 1.500 in. UHL, Set of 16

Part Number: STG-8932B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Mar 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ARP Chromoly Header Stud Kits 100-1411

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Stage 8 Locking Header Fastener Kits 8916S

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, AMC, Oldsmobile, Pontiac, V8, Set 12

Part Number: STG-8916-S

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Stage 8 Locking Header Collector Bolt Kits 8950C

Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 3/8 in.-16 Thread, 3 in. Length, Set of 6

Part Number: STG-8950C

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Stage 8 Locking Header Fastener Kits 8915

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chrysler, Small Block, V8, Set of 12

Part Number: STG-8915

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8900B

Header Fasteners, Bolts, Locking, 6-point, Steel, Nickel Plated, Chevy, 4.8, 5.3, 5.7L, Set of 12

Part Number: STG-8900B

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 X-Lock Locking Spindle Nuts DNA-60

Spindle Nuts, X-Lock, Manual Hub, Dana 60, 4WD, Each

Part Number: STG-DNA-60

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Stage 8 Locking Axle/Flange Bolt Kits GM-14AX

Wheel Hub Fasteners, Locking Bolt, 1/2 in.-13 Thread, Steel, Nickel Plated, Rear GM 14 Bolt, with Hardware, Kit

Part Number: STG-GM-14AX

Not Yet Reviewed

Estimated Ship Date: Today

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Stage 8 Locking Header Fastener Kits 8952

Header Bolts, Locking, Double Hex Head, Stainless Steel, Natural, Chevy, Chrysler, Ford, V8, Set of 16

Part Number: STG-8952

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 6935

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Dodge, 5.9L Diesel, 6.7L Diesel, Set of 12

Part Number: STG-6935

Not Yet Reviewed

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8906

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Ford, 4.6, 5.4L, V8, Set of 16

Part Number: STG-8906

4.85 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8934

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, 3/8-16 in., 1.000 in. UHL, Ford, Set of 16

Part Number: STG-8934

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8931

Header Fasteners, Bolts, Locking, 12-Point, Steel, Nickel Plated, Chevy, V6, Small Block V8, Set of 12

Part Number: STG-8931

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking Header Fastener Kits 8951

Header Bolts, Locking, Double Hex Head, Stainless Steel, Natural, Chevy, Small Block V8, V6, Set of 12

Part Number: STG-8951

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

Stage 8 Locking CV Joint Bolts 8324

Bolts, CV Joint, 12-Point Head, Steel, 8mm x 1.25 RH Thread, 50.000mm UHL, Set of 12

Part Number: STG-8324

Not Yet Reviewed

Estimated Ship Date: Today

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Stage 8 Locking Header Fastener Kits 8911B

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, V6, Small Block V8, Set of 12

Part Number: STG-8911B

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Today

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