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 212

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: Tomorrow

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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: Tomorrow

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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: Tomorrow

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Estimated Ship Date: Tomorrow

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: Tomorrow

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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: Tomorrow

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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 ( 13 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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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: Tomorrow

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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: Tomorrow

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Stage 8 Locking CV Joint Bolts 8327

Bolts, CV Joint, 12-Point Head, Steel, 10mm x 1.50 RH Thread, 50.000mm UHL, Set of 12

Part Number: STG-8327

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Stage 8 Locking Header Fastener Kits 8933

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Ford, 260, 289, 302, 351W, Set of 16

Part Number: STG-8933

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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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: Tomorrow

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Stage 8 X-Lock Locking Spindle Nuts DNA-44

Spindle Nuts, X-Lock, Manual Hub, Dana 44, 4WD, Each

Part Number: STG-DNA-44

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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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: Tomorrow

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Stage 8 Locking Turbocharger Fasteners 3952

Turbocharger Nuts, Double Hex Head, 10mm x 1.50 Thread Size, Stainless Steel, Natural, Set of 4

Part Number: STG-3952

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Stage 8 Locking Axle/Flange Bolt Kits DNA60-AX

Wheel Hub Fasteners, Locking Bolt, Steel, Black Anodized, Dana 60, with Hardware, Kit

Part Number: STG-DNA60-AX

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered 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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Stage 8 Locking Header Fastener Kits 8907S

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, 5.7L, Set of 16

Part Number: STG-8907S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Stage 8 Locking Header Collector Bolt Kits 8950S

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

Part Number: STG-8950S

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Stage 8 Locking Header Fastener Kits 8916A

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, AMC, Buick, Dodge, Pontiac, Set of 12

Part Number: STG-8916A

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Stage 8 Locking Header Collector Bolt Kits 8950

Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 3/8 in.-16 Thread, 1 in. Length, Set of 6

Part Number: STG-8950

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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