Best Rocker Arm Nuts . Reviews August, 2020

COMP CAMS Competition Cams1400N16 3/8"Nut " (1400N-16)

Search only Comp Cams brand name
COMP CAMS Competition Cams1400N16 3/8

Current price: 10.02 USD


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Height: 0.4 Inches

Length: 4.2 Inches

Width: 4 Inches

Weight: 0.45 Pounds

Warranty: limited warranty

  • Part number: 1400N-16
  • World's top manufacturer of performance products
  • Rocker arm nut for 3/8 inch stud
  • Fit type: Universal Fit

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COMP Cams 4604-16 High Energy 3/8" Stud Diameter Polylock for Roller Rocker Arm

Search only Comp Cams brand name
COMP Cams 4604-16 High Energy 3/8

Current price: 41.48 USD


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Height: 1.3 Inches

Length: 8.1 Inches

Width: 5.6 Inches

Weight: 1 Pounds

  • Part number: 1400N-16
  • World's top manufacturer of performance products
  • Rocker arm nut for 3/8 inch stud
  • Fit type: Universal Fit
  • The stud girdle polylocks are precision ground for minimum run out and tapered for extra strength in the locking area
  • Designed for ultimate strength and locking force
  • For 3/8 inches studs diameter

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COMP Cams 1401N-16 Replacement Adjusting Nut for Magnum Rocker Arms and 7/16" Stud, (Set of 16)

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COMP Cams 1401N-16 Replacement Adjusting Nut for Magnum Rocker Arms and 7/16

Current price: 18.46 USD


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Height: 0.6 Inches

Length: 6 Inches

Width: 4 Inches

Weight: 0.55 Pounds

Warranty: 1 Year Limited

  • Part number: 1400N-16
  • World's top manufacturer of performance products
  • Rocker arm nut for 3/8 inch stud
  • Fit type: Universal Fit
  • The stud girdle polylocks are precision ground for minimum run out and tapered for extra strength in the locking area
  • Designed for ultimate strength and locking force
  • For 3/8 inches studs diameter
  • Item Package Weight : 0.63 pounds
  • Country of Origin: UNITED STATES
  • Package Dimension : 4 inches L x 2.5 inches W x 2 inches H
  • Rocker arm nut for 7/16 inch stud

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New Rocker Arm Grooved Pivot Ball & Lock Nut Set Chevy sb 400 350 327 305 283 (Pivot Ball & Lock Nut)

Search only Guardian Engine Kits brand name
New Rocker Arm Grooved Pivot Ball & Lock Nut Set Chevy sb 400 350 327 305 283 (Pivot Ball & Lock Nut)

Current price: 26.56 USD


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  • Part number: 1400N-16
  • World's top manufacturer of performance products
  • Rocker arm nut for 3/8 inch stud
  • Fit type: Universal Fit
  • The stud girdle polylocks are precision ground for minimum run out and tapered for extra strength in the locking area
  • Designed for ultimate strength and locking force
  • For 3/8 inches studs diameter
  • Item Package Weight : 0.63 pounds
  • Country of Origin: UNITED STATES
  • Package Dimension : 4 inches L x 2.5 inches W x 2 inches H
  • Rocker arm nut for 7/16 inch stud
  • 16 Pivots
  • 16 Nuts
  • Fits stock size 3/8" rocker studs

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New Rocker Rockers Arms, Nuts, Balls & Push Rods Set compatible with 1955-1986 Chevy sb 400 350 327 307 305 302 283 267 265 262

Search only Guardian Engine Kits brand name
New Rocker Rockers Arms, Nuts, Balls & Push Rods Set compatible with 1955-1986 Chevy sb 400 350 327 307 305 302 283 267 265 262

Current price: 68.98 USD


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  • Part number: 1400N-16
  • World's top manufacturer of performance products
  • Rocker arm nut for 3/8 inch stud
  • Fit type: Universal Fit
  • The stud girdle polylocks are precision ground for minimum run out and tapered for extra strength in the locking area
  • Designed for ultimate strength and locking force
  • For 3/8 inches studs diameter
  • Item Package Weight : 0.63 pounds
  • Country of Origin: UNITED STATES
  • Package Dimension : 4 inches L x 2.5 inches W x 2 inches H
  • Rocker arm nut for 7/16 inch stud
  • 16 Pivots
  • 16 Nuts
  • Fits stock size 3/8" rocker studs
  • non self-aligning style

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Rocker Arm Lock Nut Set 1966-1990 Chevy bb 454 427 402 396 366.Set of (16) Nuts

Search only Elgin Industries brand name
Rocker Arm Lock Nut Set 1966-1990 Chevy bb 454 427 402 396 366.Set of (16) Nuts

Current price: 18.24 USD


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  • Part number: 1400N-16
  • World's top manufacturer of performance products
  • Rocker arm nut for 3/8 inch stud
  • Fit type: Universal Fit
  • The stud girdle polylocks are precision ground for minimum run out and tapered for extra strength in the locking area
  • Designed for ultimate strength and locking force
  • For 3/8 inches studs diameter
  • Item Package Weight : 0.63 pounds
  • Country of Origin: UNITED STATES
  • Package Dimension : 4 inches L x 2.5 inches W x 2 inches H
  • Rocker arm nut for 7/16 inch stud
  • 16 Pivots
  • 16 Nuts
  • Fits stock size 3/8" rocker studs
  • non self-aligning style

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PCE255.1007 7/16" Poly Sure Lock Rocker Arm Nut Set (Suits: Stud Girdle)

Search only Speedmaster brand name
PCE255.1007 7/16

Current price: 25.71 USD


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Height: 2.75 Inches

Length: 5.11 Inches

Width: 2.75 Inches

Weight: 2.2 Pounds

  • Part number: 1400N-16
  • World's top manufacturer of performance products
  • Rocker arm nut for 3/8 inch stud
  • Fit type: Universal Fit
  • The stud girdle polylocks are precision ground for minimum run out and tapered for extra strength in the locking area
  • Designed for ultimate strength and locking force
  • For 3/8 inches studs diameter
  • Item Package Weight : 0.63 pounds
  • Country of Origin: UNITED STATES
  • Package Dimension : 4 inches L x 2.5 inches W x 2 inches H
  • Rocker arm nut for 7/16 inch stud
  • 16 Pivots
  • 16 Nuts
  • Fits stock size 3/8" rocker studs
  • non self-aligning style
  • +5 million Items Shipped Worldwide
  • Free Shipping Over $100
  • NHRA Top Fuel Team
  • 8 Time SEMA Product Award Winners
  • 12 Month Warranty & Lifetime Support

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3/8" Poly Sure Lock Rocker Arm Nut Set (Suits: Aluminum Rockers)

Search only Procomp Electronics brand name
3/8

Current price: 34.27 USD

Saving: $2.72 (7%)


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Height: 3.93700787 Inches

Length: 3.93700787 Inches

Width: 7.480314953 Inches

Weight: 1.26 Pounds

  • Part number: 1400N-16
  • World's top manufacturer of performance products
  • Rocker arm nut for 3/8 inch stud
  • Fit type: Universal Fit
  • The stud girdle polylocks are precision ground for minimum run out and tapered for extra strength in the locking area
  • Designed for ultimate strength and locking force
  • For 3/8 inches studs diameter
  • Item Package Weight : 0.63 pounds
  • Country of Origin: UNITED STATES
  • Package Dimension : 4 inches L x 2.5 inches W x 2 inches H
  • Rocker arm nut for 7/16 inch stud
  • 16 Pivots
  • 16 Nuts
  • Fits stock size 3/8" rocker studs
  • non self-aligning style
  • +5 million Items Shipped Worldwide
  • Free Shipping Over $100
  • NHRA Top Fuel Team
  • 8 Time SEMA Product Award Winners
  • 12 Month Warranty & Lifetime Support
  • If you have any questions or need fitment information for your vehicle, please contact with us
  • Manufactured to meet or exceed strict quality requirements
  • Made from high-quality materials for ultimate durability
  • Right for your vehicle and lifestyle
  • Designed to deliver trouble-free, consistent performance

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ARP 3008245 Perma-Loc Rocker Arm Adjuster - Pack of 16

Search only ARP brand name
ARP 3008245 Perma-Loc Rocker Arm Adjuster - Pack of 16

Current price: 73.17 USD


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Height: 10 Inches

Length: 6 Inches

Width: 1 Inches

  • Part number: 1400N-16
  • World's top manufacturer of performance products
  • Rocker arm nut for 3/8 inch stud
  • Fit type: Universal Fit
  • The stud girdle polylocks are precision ground for minimum run out and tapered for extra strength in the locking area
  • Designed for ultimate strength and locking force
  • For 3/8 inches studs diameter
  • Item Package Weight : 0.63 pounds
  • Country of Origin: UNITED STATES
  • Package Dimension : 4 inches L x 2.5 inches W x 2 inches H
  • Rocker arm nut for 7/16 inch stud
  • 16 Pivots
  • 16 Nuts
  • Fits stock size 3/8" rocker studs
  • non self-aligning style
  • +5 million Items Shipped Worldwide
  • Free Shipping Over $100
  • NHRA Top Fuel Team
  • 8 Time SEMA Product Award Winners
  • 12 Month Warranty & Lifetime Support
  • If you have any questions or need fitment information for your vehicle, please contact with us
  • Manufactured to meet or exceed strict quality requirements
  • Made from high-quality materials for ultimate durability
  • Right for your vehicle and lifestyle
  • Designed to deliver trouble-free, consistent performance
  • Designed for aluminum rockers, and features an overall length of 1.200, a thread size of 7/16 - 20, and a body diameter of .550; sixteen adjusters per package
  • Bottom is flush-ground perpendicular to the threads, so it seats evenly, and the set screw has flush-machined tip for optimum contact and seating on stud
  • Threads are precision CNC-machined exactly perpendicular to the bottom of adjuster to ensure an optimum seat, even pressure, and maximum engagement
  • Forged in-house from grade A 8740 alloy chrome moly steel and heat-treated throughout for a 190,000 psi tensile strength, not simply case hardened like others are
  • Exclusive 12-point head, with special shouldered "stop" to hold the wrench, eliminates the need for special adjusting tools

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Nilight 90012E Heavy Duty Rocker Toggle 15A 250V 20A 125V SPST 2Pin ON/Off Switch Metal Bat Waterproof Boot Cap Cover-5 Pack, 2 Years Warranty

Search only Nilight brand name
Nilight 90012E Heavy Duty Rocker Toggle 15A 250V 20A 125V SPST 2Pin ON/Off Switch Metal Bat Waterproof Boot Cap Cover-5 Pack, 2 Years Warranty

Current price: 8.49 USD

Saving: $2.50 (23%)


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Height: 4 Inches

Length: 0.3 Inches

Width: 3 Inches

Weight: 0.1 Pounds

Warranty: 2 Years Warranty

  • Part number: 1400N-16
  • World's top manufacturer of performance products
  • Rocker arm nut for 3/8 inch stud
  • Fit type: Universal Fit
  • The stud girdle polylocks are precision ground for minimum run out and tapered for extra strength in the locking area
  • Designed for ultimate strength and locking force
  • For 3/8 inches studs diameter
  • Item Package Weight : 0.63 pounds
  • Country of Origin: UNITED STATES
  • Package Dimension : 4 inches L x 2.5 inches W x 2 inches H
  • Rocker arm nut for 7/16 inch stud
  • 16 Pivots
  • 16 Nuts
  • Fits stock size 3/8" rocker studs
  • non self-aligning style
  • +5 million Items Shipped Worldwide
  • Free Shipping Over $100
  • NHRA Top Fuel Team
  • 8 Time SEMA Product Award Winners
  • 12 Month Warranty & Lifetime Support
  • If you have any questions or need fitment information for your vehicle, please contact with us
  • Manufactured to meet or exceed strict quality requirements
  • Made from high-quality materials for ultimate durability
  • Right for your vehicle and lifestyle
  • Designed to deliver trouble-free, consistent performance
  • Designed for aluminum rockers, and features an overall length of 1.200, a thread size of 7/16 - 20, and a body diameter of .550; sixteen adjusters per package
  • Bottom is flush-ground perpendicular to the threads, so it seats evenly, and the set screw has flush-machined tip for optimum contact and seating on stud
  • Threads are precision CNC-machined exactly perpendicular to the bottom of adjuster to ensure an optimum seat, even pressure, and maximum engagement
  • Forged in-house from grade A 8740 alloy chrome moly steel and heat-treated throughout for a 190,000 psi tensile strength, not simply case hardened like others are
  • Exclusive 12-point head, with special shouldered "stop" to hold the wrench, eliminates the need for special adjusting tools
  • Package include: 5Pcs toggle switch, 5Pcs waterproof boot cap
  • Easy to install: Mounting hole diameter: O12mm. Each of the terminals has a machine screw for quick connections, but also easy to be soldered
  • Mechanical life: more than 50.000 cycles. Electrical life: more than 10, 000 cycles
  • Material: plastic and metal. Solid connection switch with waterproof rubber cap, more convenient to operate. Delicate appearance with strong Construction. Look chic and high-end on your equipment
  • Connector type: SPST, 2 terminal pin on/off. Power: 15A 250VAC/20A 125VAC

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