Product#: G5626

1/2"-13 Lock Nut

This 1/2"-13 zinc plated steel lock nut is sold as each.

1/2"-13 Lock Nut

MSRP $4.99 ea
Classic $3.99 ea

Product#: K0142

1957-81 Chevrolet; Timing Cover Bolt Set; w/Star Washers; Original Finish Hex Head; 10 Piece Set

Reproduction of the original timing cover bolts designed for use with 1957-81 Chevrolet small bock and big block models as listed. Maintain originality by replacing your old timing cover bolts with this authentic...


Product#: AK127B

1955-81 Chevrolet; Hex Head Timing Cover Bolt Set; with Star Washers; Small Block; BIg Block; Stainless Steel

Reproduction timing cover hex head bolts for 1955-86 Chevrolet small block and 1965--90 big block engines. Extremely high quality stainless steel bolts. Includes a complete set.


Product#: AK127A

1955-95 Chevrolet; Hex Head Timing Cover Bolt Set; with Star Washers; Chrome

These bolts are hex head style. Extremely high quality replacement bolts. Includes a complete set. Fits 1955-86 Chevy small block or 1965-90 Chevy big block engines.


Product#: AK117A

1955-90 Chevrolet Big Block or Small Block; Head Bolts; External; Polished Chrome

External polished chrome head bolt set for Chevy big block or small block engines. Each hex head cap screw bolt set is made in the USA with steel, chrome plated, and polished to perfection.


Product#: AK108A

Chevrolet Small Block; Engine Bolt Set; For Steel Valve Covers; Polished Chrome

Dress your engine with OEM style bolts in high polished chrome. All bolts furnished are the correct hex head style. Each kit will contain the correct bolts for the application. Note: For use with single or dual exhaust...


Product#: AK107A

Chevrolet Small Block; Engine Bolt Set; For Aluminum Valve Covers; Polished Chrome

Dress your engine with OEM style bolts in high polished chrome. Each set is designed specifically for your small block application. All bolts furnished are the correct hex head style. Each kit will contain the correct bolts...


Product#: AK108B

Chevrolet Small Block; Engine Bolt Set; For Steel Valve Covers; Polished Stainless Steel

Dress your engine with OEM style bolts in stainless steel. All bolts furnished are the correct hex head style. Each kit will contain the correct bolts for the application you choose. Note: For use with single or dual exhaust...


Product#: AK107B

Chevrolet Small Block; Engine Bolt Set; For Aluminum Valve Covers; Polished Stainless

Dress your engine with OEM style bolts in stainless steel. All bolts furnished are the correct hex head style. Each kit will contain the correct bolts for the application. Note: For use with single or dual exhaust without...


Product#: AK124A

Chevrolet Small Block; Oil Pan Bolt Set; Polished Chrome

These polished chrome oil pan bolts will add a custom look to your oil pan. Includes all necessary flat and internal tooth lock washers. (14) 1/4"-20 x 1/2" and (4) 5/16"-18 x 5/8" bolts.


Product#: 1256657

1956-82 Chevrolet Small Block Oil Pan Bolt Set; With "L" Head markings

Reproduction of the original style oil pan bolts used on all early Chevrolet small block engines. Zinc plated with the "L" head markings as original, with external tooth lock washers. (14) 1/4"-20 x 1/2" and (4) 5/16"-18 x...


Product#: 85000

Chevrolet Small Block Milodon Plated Oil Pan Hardware Set

Forget about cleaning up your old outdated hardware. This hardware set contains everything you need for a quick and accurate installation of your oil pan. Designed especially for firmly holding oil pans in place without...


Product#: MDP83001

1955-86 Chevrolet 283-400; Milodon; Engine Bolt Kit w/o Head Bolts

Comprehensive engine bolt kit from Milodon for 1955-1986 Chevrolet small block 283-400 engines. Carb and valve cover studs have thread starter noses for easy assembly. Intake and header bolts use a reduced size 3/8" head to...


Product#: PR13661K

1959-82 GM Cars & Trucks with SB Chevy Engine - "Double Circle" Head Bolt Set (34 pc.)

Reproduction head bolts featuring correct "Double Circle" head markings. For all factory cylinder heads. This bolt set is reproduced specifically for a restorer who wants cosmetically correct bolts for a totally original...


Product#: AK123A

Chevrolet Big Block; Oil Pan Bolt Set; Polished Chrome

Polished and chromed oil pan bolts will add a custom look to your oil pan while assuring high quality. Includes all necessary flat and internal tooth lock washers. (22) 5/16"-18 x 3/4" bolts.


Product#: PR13662K

1959-82 GM Cars & Trucks with SB Chevy Engine - "TR" Head Bolt Set (34 pc.)

Reproduction head bolts featuring correct "TR" head markings. For all factory cylinder heads. This bolt set is reproduced specifically for a restorer who wants cosmetically correct bolts for a totally original appearance....


Product#: K0157

1957-1978 Chevrolet; Exhaust Manifold to Pipe Stud Set; Small Block & Big Block

Correct reproduction of the original exhaust manifold to pipe studs and nuts used to attach the exhaust pipes to exhaust manifold. Each set includes a complete set of studs for the installation of both exhaust manifolds....


Product#: 1256614

1964-86 Chevrolet; Valve Cover Retainer Tab Set; Small Block; 8 Piece Set

Reproduction of the valve cover retainer tabs used to help lessen the stress on a valve cover caused by a small bolt holding down a large area.


Product#: E8564

Big Block Intake Manifold Bolt Kit

This Edelbrock intake manifold bolt kit is designed specifically for big-block Chevy Edelbrock manifolds. This bolt kit features 12-point heads for easy wrench access. Features include cadmium finished steel bolts and...


Product#: AK123B

1965-74 Chevrolet Big Block; Oil Pan Bolt Set; Polished Stainless Steel

Polished stainless steel oil pan bolts will add a custom look to your oil pan while assuring high quality. Includes all necessary flat and internal tooth lock washers. (22) 5/16"-18 x 3/4" bolts.


Product#: 81305

Chevrolet Big Block Milodon Oil Pan Stud And Nut Set

Undoubtedly the most professional method of attaching an oil pan is through the use of Milodon's pan stud & nut set which includes heat-treated studs with rolled threads and special nuts with built in serrated washer face....


Product#: AK117B

1955-90 Chevrolet Big Block or Small Block; Head Bolts; External; Polished Stainless Steel

External Polished Stainless Steel head bolt set for Chevy big block or small block engines. Each hex head cap screw bolt set is made in the USA and polished to perfection.


Product#: AR43582

396-454ci Chevrolet Big Block Chevrolet Big Block Stainless Steel Hex Head Oil Pan Bolt Set

ARP's premium grade oil pan bolts combine sealing efficiency with good looks. Made in USA Includes washers. Applications: 1966-69 7.0L / 427ci Mark IV Chevrolet big block 1966-70 6.5L / 396ci Mark IV Chevrolet big block...


Product#: MDP83006

1964-90 Chevrolet 396-454; Milodon; Bolt Kit w/o Head Bolts

Comprehensive engine bolt kit from Milodon for 1964-1990 Chevrolet big block 396-454 engines. Carb and valve cover studs have thread starter noses for easy assembly. Intake and header bolts use a reduced size 3/8" head to...


Product#: 81300

Chevrolet Small Block Milodon Oil Pan Stud and Nut Set

Undoubtedly the most professional method of attaching an oil pan is through the use of Milodon's pan stud & nut set which includes heat-treated studs with rolled threads and special nuts with built in serrated washer face....


Product#: MDP34033

1965-90 Chevrolet 396-454; Milodon; Brass Freeze Plug Kit

Milodon brass freeze plugs will not rot out, like lower cost steel ones. Your new engine assembly deserves the best. Don't get stuck trying to replace a leaking steel freeze plug behind a motor mount a year or two from now!...


Product#: AK124B

Chevrolet Small Block; Oil Pan Bolt Set; Stainless Steel

Polished stainless steel oil pan bolts will add a custom look to your oil pan. Includes all necessary flat and internal tooth lock washers. (14) 1/4"-20 x 1/2" and (4) 5/16"-18 x 5/8" bolts.


Product#: 1256610

1963-86 Corvette; 1969-74 Camaro Z/28; Valve Cover Bolt Set; Zinc Plated; "M" Headmark; For Aluminum Valve Covers, 8 Piece Set

Correct reproduction of the original aluminum valve cover bolts for 1963L-86 Corvette, 1969-74 Z/28 Camaro and other Chevrolet small block vehicles equipped vehicles with factory aluminum or magnesium valve covers. Each 3/8"...


Product#: K1461-BBLP

1967-81 Chevrolet Camaro; Corvette; Impala; Nova; Bell Housing Bolt Set; A Headmark 6 Piece

Bell Housing Bolt Set with "A" Headmark, 6 Piece for various 1969-1981 Chevrolet cars and trucks. From restoration to performance, we are proud to offer the highest quality parts for both classic and late model vehicles.


Product#: K0178

1957-68 Small Block Short Water Pump Mounting Bolt Set

Reproduction of the correct TR headmark mounting bolts. The 4 piece set includes RH stud for ground strap.


Product#: T9272

1965-90 Chevrolet Big Block, Pontiac V8, Chrysler V8; Oil Pan Bolt Set; Chrome

When replacing your oil pan, replace your original greasy, worn out bolts with a set of chrome plated bolts to dress up your engine. Set includes (2) 1/4"-20 thread x 1/2" bolts and (20) 5/16"-18 thread x 1/2". bolts


Product#: AR23581

396-454ci Chevrolet Big Block Black Oxide 12 Point Head Oil Pan Bolt Set

ARP's premium grade oil pan bolts combine sealing efficiency with good looks. Made in USA Includes washers. Applications: 1966-69 7.0L / 427ci Mark IV Chevrolet big block 1966-70 6.5L / 396ci Mark IV Chevrolet big block...


Product#: 1256623

1964-76 Chevrolet; Exhaust Manifold Bolt Set; Small Block with AC; Grade 8; Fits Ram Horn Style Exhaust Manifolds

Correct style exhaust manifold bolt and stud kit will replace the rusted or broken originals. Includes 4 long bolts, 7 short bolts and 1 stud.


Product#: AR43581

396-454ci Chevrolet Big Block Stainless Steel 12 Point Head Oil Pan Bolt Set

ARP's premium grade oil pan bolts combine sealing efficiency with good looks. Made in USA Includes washers. Applications: 1966-69 7.0L / 427ci Mark IV Chevrolet big block 1966-70 6.5L / 396ci Mark IV Chevrolet big block...


Product#: AR23582

396-454ci Chevrolet Big Block Black Oxide Hex Head Oil Pan Bolt Set

ARP's premium grade oil pan bolts combine sealing efficiency with good looks. Made in USA Includes washers. Applications: 1966-69 7.0L / 427ci Mark IV Chevrolet big block 1966-70 6.5L / 396ci Mark IV Chevrolet big block...


Product#: 85005

Chevrolet Big Block Milodon Plated Oil Pan Hardware Set

Forget about cleaning up your old outdated hardware. This hardware set contains everything you need for a quick and accurate installation of your oil pan. Designed especially for firmly holding oil pans in place without...


Product#: T9271

1955-82 Chevrolet Small Block; Oil Pan Bolt Set; Chrome

When replacing your oil pan, replace your original greasy, worn out bolts with a set of chrome plated bolts to dress up your engine. Set includes (14) 1/4 - 20 x 1/2 bolts & (4) 5/16 - 18 x 1/2 bolts.


Product#: AK104B

1965-90 Chevrolet Big Block Engine Bolt Set; Stainless Steel Bolts; for Steel Valve Covers; 396ci, 427ci, 454ci, 502ci;

Dress your engine with a stainless steel engine bolt set designed specifically for big block applications including 396ci, 402ci, 427ci, 454ci models with steel valve covers. All bolts furnished are the correct hex head...


Product#: 56477SD

Small Block Stainless Steel Exhaust Manifold Bolts with Bow Tie Logo

Dress up your classic with this one-of-a kind dress-up bolt set. The Chevrolet Bow Tie logo is stamped directly onto the head of the bolts. What better way to make a statement than with these unique bolts.


Product#: TF700531

1955-82 Passenger Small Block Oil Pan Bolts; Without Markings

Reproduction 1958-82 Chevrolet passenger small block oil pan bolt set. These steel bolts are required to fasten the oil pan to the block. Set includes (14) 1/4"-20 x 1/2" and (4) 5/16"-18 x 5/8". Without head markings.


Product#: AK103A

1965-90 Chevrolet Big Block Engine Bolt Set; Polished Chrome Bolts; for Aluminum Valve Covers; 396ci, 427ci, 454ci, 502ci;

Dress your engine with a highly polished chrome engine bolt set designed specifically for big block applications including 396ci, 402ci, 427ci, 454ci models with aluminum valve covers. All bolts furnished are the correct hex...


Product#: 1256656

1965-74 Chevrolet Big Block Oil Pan Bolt Set

Reproduction of the original style oil pan bolts used on all early big block engines. Zinc plated with the TR and L head markings as original, with external tooth lock washers. Set includes: (2) 1/4"-20 x 9/16" bolts ( 20)...


Product#: 56477CD

Small Block Chrome Exhaust Manifold Bolts with Bow Tie Logo

Dress up your classic with this one-of-a kind dress-up bolt set. The Chevrolet Bow Tie logo is stamped directly onto the head of the bolts. What better way to make a statement than with these unique bolts.


Product#: AK103B

1965-90 Chevrolet Big Block Engine Bolt Set; Polished Stainless Steel Bolts; for Aluminum Valve Covers; 396ci, 427ci, 454ci, 502ci;

Dress your engine with a highly polished stainless steel engine bolt set designed specifically for big block applications including 396ci, 402ci, 427ci, 454ci models with aluminum valve covers. All bolts furnished are the...


Product#: AK104A

1965-90 Chevrolet Big Block Engine Bolt Set; Polished Chrome Bolts; for Steel Valve Covers; 396ci, 427ci, 454ci, 502ci;

Dress your engine with a highly polished polished chrome engine bolt set designed specifically for big block applications including 396ci, 402ci, 427ci, 454ci models with steel valve covers. All bolts furnished are the...


Product#: 1256638

1965-74 Chevrolet Big Block; Fuel Pump Mounting Bolts; With Split SEMS Lock Washers; "N" Head Markings

Reproductions of the correct mounting bolts used to hold the fuel pump to the engine block. Big Block Applications. 7/16 hex washer head bolt with split SEMS lock washer. Sold as a pair of bolts with washers. Features...


Product#: K0129

1957-80 Chevrolet; Oil Pan Bolt Set; Small Block; 18 Piece Set

Reproduction of the original oil pan bolts designed for use with 1965-75 Chevrolet models with small engines. If you want complete originality, you'll want to replace your oil pan bolts with these high quality reproduction...


Product#: K0100

1965-74 Chevrolet; Valve Cover Bolt and Retainer Set; "TR" On Bolt Head; Big Block; 28 Piece

Reproduction of the original valve cover bolts and retainers designed for use with various 1968-72 Chevrolet big block models as listed. This complete set of big block bolts and retainers include the correct reproduction "TR"...


Product#: 1256612

1966-74 Chevrolet; Valve Cover Bolt Set; "RBW" Headmark; Big Block; 14 Piece Set

Classic Industries now offers OE style valve cover bolts for various 1966-72 Chevrolet big block models with steel valve covers. Manufactured to factory specifications featuring the correct head markings. 14 piece set.


Product#: K0177

1965-68 Chevrolet; Short Water Pump Bolt Set; Big Block; with TR Headmark on Bolt Head

Reproduction of the original short water pump mounting bolts designed for use with 1965-68 Chevrolet models with a big block engine. Each bolt is manufactured to factory specifications including the correct "TR" headmark....


Product#: AK136B

1955-90 Chevrolet Small Block, Big Block; Water Pump Bolt Set; For Short Pump; Stainless Steel

When installing your new water pump, replace your original bolts with these stainless steel bolts to give your water pump a brighter custom appearance. Includes 4 bolts.


Product#: AK136A

1955-90 Chevrolet Small Block, Big Block; Water Pump Bolt Set; For Short Pump; Chrome

When installing your new water pump, replace your original bolts with these chrome plated bolts to give your water pump a brighter custom appearance. Includes 4 bolts.


Product#: K0128

1965-75 Chevrolet; Oil Pan Bolt Set; 396, 409, 427; Big Block; 22 Piece Set

Reproduction of the original oil pan bolts designed for use with 1965-75 Chevrolet models with 396, 409, 427 big block engines. If you want complete originality, you'll want to replace your oil pan bolts with these high...