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Rocker Studs & Nuts

Rocker Studs & Nuts are key to engine performance and reliability. Explore our premium selection built for horsepower, torque, and longevity under extreme conditions.

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Aeroflow Rocker Arm Studs 3/8", 1.750" (44.4mm) UHL 8740 Material, Sold as a Pack of 16 (AF37-1103) AF37-1103
$126.30 - $126.30
$126.30
$126.30 - $126.30
$126.30
+ GST

Aeroflow Rocker Arm Studs 3/8", 1.750" (44.4mm) UHL 8740 Material, Sold as a Pack of 16 (AF37-1103)

8740 Material, Sold as a Pack of 16

ROCKER ARM STUDS 3/8" 16 PACK8740 Material, Sold as a Pack of 16Part Number: AF37-1103 Aeroflow Performance rocker arm studs are ideal for competit...

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$126.30 - $126.30
$126.30
$126.30 - $126.30
$126.30
+ GST
Scorpion Posi Locks (SCPPL38-4) SCPPL38-4
$38.40 - $38.40
$38.40
$38.40 - $38.40
$38.40
+ GST

Scorpion Posi Locks (SCPPL38-4)

Suit 3/8" Stud (Set of 4)

SCORPION 3/8" POSI LOCKSSuit 3/8" Stud (Set of 4)Part Number: SCPPL38-4 Replacement 3/8" Poly Locks set of 4

$38.40 - $38.40
$38.40
$38.40 - $38.40
$38.40
+ GST
ARP Perma Loc Posi Locks, 12-Point Black Oxide (AR300-8245) AR300-8245
$231.00 - $231.00
$231.00
$231.00 - $231.00
$231.00
+ GST

ARP Perma Loc Posi Locks, 12-Point Black Oxide (AR300-8245)

7/16" Stud With .550" Body O.D, fits Aluminium Rockers (16 Pack)

7/16 POSI LOCKS .550 BODY DIA.7/16" Stud With .550" Body O.D, fits Aluminium Rockers (16 Pack)Part Number: AR300-8245 A= 1.200" D= .600" Exclusiv...

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$231.00 - $231.00
$231.00
$231.00 - $231.00
$231.00
+ GST
ARP Rocker Arm Stud Kit (AR235-7206) AR235-7206
$169.90 - $169.90
$169.90
$169.90 - $169.90
$169.90
+ GST

ARP Rocker Arm Stud Kit (AR235-7206)

7/16" fits Aluminium Head, Exhaust Studs Only (8), Has Shank Under Hex To Locate Guide Plate

CHEV FORD HOLDEN 7/16 ROCKER7/16" fits Aluminium Head, Exhaust Studs Only (8), Has Shank Under Hex To Locate Guide PlatePart Number: AR235-7206 B=...

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$169.90 - $169.90
$169.90
$169.90 - $169.90
$169.90
+ GST
Aeroflow Rocker Arm Studs 3/8", 1.895" (48mm) UHL 8740 Material, Sold as a Pack of 16 (AF37-1101) AF37-1101
$135.30 - $135.30
$135.30
$135.30 - $135.30
$135.30
+ GST

Aeroflow Rocker Arm Studs 3/8", 1.895" (48mm) UHL 8740 Material, Sold as a Pack of 16 (AF37-1101)

8740 Material, Sold as a Pack of 16

ROCKER ARM STUDS 3/8" 16 PACK8740 Material, Sold as a Pack of 16Part Number: AF37-1101 Aeroflow Performance rocker arm studs are ideal for competit...

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$135.30 - $135.30
$135.30
$135.30 - $135.30
$135.30
+ GST
ISKY 3/8" Rocket Stud Self Locking (Jam Thread) Type (ISK209-B) ISK209-B
$240.70 - $240.70
$240.70
$240.70 - $240.70
$240.70
+ GST

ISKY 3/8" Rocket Stud Self Locking (Jam Thread) Type (ISK209-B)

Suit S/B Chev

ROCKER STUD SBC 3/8" NON HEXSuit S/B ChevPart Number: ISK209-B NOTE: All clearance item sales are final & are not returnable for credit or ref...

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$240.70 - $240.70
$240.70
$240.70 - $240.70
$240.70
+ GST
Aeroflow Rocker Arm Studs 7/16-20" & 3/8-14", 1.750" (44.45mm) UHL (AF37-1100)
$126.30 - $126.30
$126.30
$126.30 - $126.30
$126.30
+ GST

Aeroflow Rocker Arm Studs 7/16-20" & 3/8-14", 1.750" (44.45mm) UHL (AF37-1100)

8740 Material, Sold as aPack of 16

ROCKER ARM STUDS 7/16" & 3/8"8740 Material, Sold as aPack of 16Part Number: AF37-1100 Aeroflow Performance rockerarm studs are ideal for compe...

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$126.30 - $126.30
$126.30
$126.30 - $126.30
$126.30
+ GST
Aeroflow Rocker Arm Studs 7/16", 1.770" (45mm) UHL (AF37-1102)
$126.30 - $126.30
$126.30
$126.30 - $126.30
$126.30
+ GST

Aeroflow Rocker Arm Studs 7/16", 1.770" (45mm) UHL (AF37-1102)

8740 Material, Sold as a Pack of 16

ROCKER ARM STUDS 7/16" 16 PACK8740 Material, Sold as a Pack of 16Part Number: AF37-1102 Aeroflow Performance rockerarm studs are ideal for competi...

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$126.30 - $126.30
$126.30
$126.30 - $126.30
$126.30
+ GST
MRG Sure-Lock Rocker Arm Nuts, .540" Shank OD, 3/8" Stud Size, Gold Tone Finish (MG923G)
$181.50 - $181.50
$181.50
$181.50 - $181.50
$181.50
+ GST

MRG Sure-Lock Rocker Arm Nuts, .540" Shank OD, 3/8" Stud Size, Gold Tone Finish (MG923G)

Suit Small Block Chevy & Ford 289-351W

ROLLER ROCKER 3/8 POSI LOCKSSuit Small Block Chevy & Ford 289-351WPart Number: MG923G For aluminium rocker arms only. Designed to keep the roc...

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$181.50 - $181.50
$181.50
$181.50 - $181.50
$181.50
+ GST
$154.30 - $154.30
$154.30
$154.30 - $154.30
$154.30
+ GST

Aeroflow Rocker Arm Studs 7/16", 1.900" (48mm) UHL (AF37-1104)

8740 Material, Sold as a Pack of 16

ROCKER ARM STUDS 7/16" 16 PACK8740 Material, Sold as a Pack of 16Part Number: AF37-1104 Aeroflow Performance rockerarm studs are ideal for competi...

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$154.30 - $154.30
$154.30
$154.30 - $154.30
$154.30
+ GST
Yella Terra Adjusting Screw 3/8" Long (YT6061) YT6061
$195.20 - $195.20
$195.20
$195.20 - $195.20
$195.20
+ GST

Yella Terra Adjusting Screw 3/8" Long (YT6061)

29mm Throu Hole 5/16"

ADJUSTING SCREWS LONG (28.4MM)29mm Throu Hole 5/16"Part Number: YT6061 Yella Terra replacement adjusting screw 3/8" long. 29mm throu hole with 5/1...

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$195.20 - $195.20
$195.20
$195.20 - $195.20
$195.20
+ GST
Yella Terra Posi Lock 3/8" (YT5106) YT5106
$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00
+ GST

Yella Terra Posi Lock 3/8" (YT5106)

(Single )

ONE SINGLE 3/8 POSILOCK(Single )Part Number: YT5106 Yella Terra replacement 3/8" posi lock. Sold each.

$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00
+ GST
Yella Terra Rocker Studs 7/16" (YT1852) YT1852
$277.80 - $277.80
$277.80
$277.80 - $277.80
$277.80
+ GST

Yella Terra Rocker Studs 7/16" (YT1852)

Suit Chrysler Valiant 6 Cyl. (Set of 12)

CHRYSLER HEMI 6 SET OF 12 7/16Suit Chrysler Valiant 6 Cyl. (Set of 12)Part Number: YT1852 Yella Terra replacement rocket studs, 7/16". Suit Chrysl...

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$277.80 - $277.80
$277.80
$277.80 - $277.80
$277.80
+ GST
Yella Terra 7/16" Studs, Set of 4 (YT18520)
Contact for availability
$138.60 - $138.60
$138.60
$138.60 - $138.60
$138.60
+ GST

Yella Terra 7/16" Studs, Set of 4 (YT18520)

Yella Terra replacement 7/16" studs. Suit Chrysler Hemi. Set of 4

$138.60 - $138.60
$138.60
$138.60 - $138.60
$138.60
+ GST
Contact for availability
Yella Terra 7/16" Posi-Lock Nuts (YT18195)
Yella Terra 7/16" Posi-Lock Nuts (YT18195) YT18195
$238.70 - $238.70
$238.70
$238.70 - $238.70
$238.70
+ GST

Yella Terra 7/16" Posi-Lock Nuts (YT18195)

Set of 16

7/16 POSI LOCK 16 PACKSet of 16Part Number: YT18195 Yella Terra Posilocks are blackened for strength & durability an include Internal Hex Set...

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$238.70 - $238.70
$238.70
$238.70 - $238.70
$238.70
+ GST
Yella Terra 3/8" Posi-Lock Nuts (YT18192)
Yella Terra 3/8" Posi-Lock Nuts (YT18192) YT18192
$237.20 - $237.20
$237.20
$237.20 - $237.20
$237.20
+ GST

Yella Terra 3/8" Posi-Lock Nuts (YT18192)

Set of 16

3/8 POSI-LOCK NUTS 16 PACKSet of 16Part Number: YT18192 Yella Terra Posilocks are blackened for strength & durability an include Internal Hex ...

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$237.20 - $237.20
$237.20
$237.20 - $237.20
$237.20
+ GST
Yella Terra Cap Screw, 7/16" x 2.25" UHL (6098) (YT18124) YT18124
$283.80 - $283.80
$283.80
$283.80 - $283.80
$283.80
+ GST

Yella Terra Cap Screw, 7/16" x 2.25" UHL (6098) (YT18124)

Set of 16

CAPSCREW SET (6098 x 16)Set of 16Part Number: YT18124 Yella Terra Cap Screws are high strength fasteners with an Internal Hex or Allen drive style...

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$283.80 - $283.80
$283.80
$283.80 - $283.80
$283.80
+ GST
Yella Terra Cap Screw, 7/16" x 2" UHL (YT18056) YT18056
$120.10 - $120.10
$120.10
$120.10 - $120.10
$120.10
+ GST

Yella Terra Cap Screw, 7/16" x 2" UHL (YT18056)

Pack of 4

CAPSCREW 7/16 X 2" UHLPack of 4Part Number: YT18056 Yella Terra Cap Screws are high strength fasteners with an Internal Hex or Allen drive style a...

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$120.10 - $120.10
$120.10
$120.10 - $120.10
$120.10
+ GST
Yella Terra 12-Point Adjusting Nut (YT18030) YT18030
$75.10 - $75.10
$75.10
$75.10 - $75.10
$75.10
+ GST

Yella Terra 12-Point Adjusting Nut (YT18030)

12 POINT ADJUSTING NUTPart Number: YT18030 Yella Terra 12-Point adjusting nut

$75.10 - $75.10
$75.10
$75.10 - $75.10
$75.10
+ GST
Yella Terra Adjusting Screw 3/8" Long (YT18026) YT18026
$367.90 - $367.90
$367.90
$367.90 - $367.90
$367.90
+ GST

Yella Terra Adjusting Screw 3/8" Long (YT18026)

29mm Throu Hole 5/16" Cup (YT6061)

ADJUSTERS 16 x 606129mm Throu Hole 5/16" Cup (YT6061)Part Number: YT18026 Yella Terra Rocker 3/8" Through-hole Cup Lash Adjustment Screws - 29mm ...

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$367.90 - $367.90
$367.90
$367.90 - $367.90
$367.90
+ GST
Yella Terra 6161 Adjusters, Set of 16 (YT18022) YT18022
$352.90 - $352.90
$352.90
$352.90 - $352.90
$352.90
+ GST

Yella Terra 6161 Adjusters, Set of 16 (YT18022)

16 SET OF 6161 ADJUSTERSPart Number: YT18022 Yella Terra 6161 adjusters. Set of 16

$352.90 - $352.90
$352.90
$352.90 - $352.90
$352.90
+ GST
Yella Terra Adjusting Screw 3/8" Short (24mm) (YT18021) YT18021
$369.40 - $369.40
$369.40
$369.40 - $369.40
$369.40
+ GST

Yella Terra Adjusting Screw 3/8" Short (24mm) (YT18021)

Throu Hole 5/16" Cup (YT6206)

16 SET 6206 ADJUSTERSThrou Hole 5/16" Cup (YT6206)Part Number: YT18021 Yella Terra Rocker 3/8" Through-hole Cup Lash Adjustment Screws - 24mm Over...

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$369.40 - $369.40
$369.40
$369.40 - $369.40
$369.40
+ GST
Scorpion 3/8" Narrow Posi Lock, Single (SCPSAPLY) SCPSAPLY
$16.70 - $16.70
$16.70
$16.70 - $16.70
$16.70
+ GST

Scorpion 3/8" Narrow Posi Lock, Single (SCPSAPLY)

SCORPION 3/8 NARROW POSI LOCKPart Number: SCPSAPLY Replacement 3/8" Narrow Poly Locks

$16.70 - $16.70
$16.70
$16.70 - $16.70
$16.70
+ GST
Scorpion Posi Locks (SCPPL716-4) SCPPL716-4
$49.40 - $49.40
$49.40
$49.40 - $49.40
$49.40
+ GST

Scorpion Posi Locks (SCPPL716-4)

Suit 7/16" Stud (Set of 4)

SCORPION 7/16 POSI LOCKSSuit 7/16" Stud (Set of 4)Part Number: SCPPL716-4 Replacement 7/16" Poly Locks set of 4

$49.40 - $49.40
$49.40
$49.40 - $49.40
$49.40
+ GST
Scorpion Posi Locks (SCPPL716-1) SCPPL716-1
$12.70 - $12.70
$12.70
$12.70 - $12.70
$12.70
+ GST

Scorpion Posi Locks (SCPPL716-1)

Suit 7/16" Stud (Each)

SCORPION 7/16" POSI LOCKSSuit 7/16" Stud (Each)Part Number: SCPPL716-1 Replacement 7/16" Poly Locks

$12.70 - $12.70
$12.70
$12.70 - $12.70
$12.70
+ GST
Scorpion Posi Locks (SCPPL38-1) SCPPL38-1
$12.70 - $12.70
$12.70
$12.70 - $12.70
$12.70
+ GST

Scorpion Posi Locks (SCPPL38-1)

Suit 3/8" Stud (Each)

SCORPION 3/8" POSI LOCKSSuit 3/8" Stud (Each)Part Number: SCPPL38-1 Replacement 3/8" Poly Locks

$12.70 - $12.70
$12.70
$12.70 - $12.70
$12.70
+ GST
MRG Mr Gasket Sure-Lock Rocker Arm Nuts, .540" Shank OD, 3/8" Stud Size, Gold Tone Finish (MG923) MG923
Contact for availability
$166.20 - $166.20
$166.20
$166.20 - $166.20
$166.20
+ GST

MRG Mr Gasket Sure-Lock Rocker Arm Nuts, .540" Shank OD, 3/8" Stud Size, Gold Tone Finish (MG923)

Suit Small Block Chevy & Ford 289-351 (Except 351C)Part Number: MG923For aluminium rocker arms only. Designed to keep the rocker arms positivel...

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$166.20 - $166.20
$166.20
$166.20 - $166.20
$166.20
+ GST
Contact for availability
COMP 3/8" Hi-Tech Polylock (CO4601-16) CO4601-16
$131.90 - $131.90
$131.90
$131.90 - $131.90
$131.90
+ GST

COMP 3/8" Hi-Tech Polylock (CO4601-16)

For Aluminium, Stainless and Ultra Pro Magnum Rockers

ROCKER ARM ADJUSTING NUTSFor Aluminium, Stainless and Ultra Pro Magnum RockersPart Number: CO4601-16 Stud girdle polylocks are precision ground f...

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$131.90 - $131.90
$131.90
$131.90 - $131.90
$131.90
+ GST
COMP 7/16" Hi-Tech Polylock (CO4600-16) CO4600-16
$129.80 - $129.80
$129.80
$129.80 - $129.80
$129.80
+ GST

COMP 7/16" Hi-Tech Polylock (CO4600-16)

For Aluminium, Stainless and Ultra Pro Magnum Rockers

ROCKER ARM ADJUSTING NUTSFor Aluminium, Stainless and Ultra Pro Magnum RockersPart Number: CO4600-16 Stud girdle polylocks are precision ground f...

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$129.80 - $129.80
$129.80
$129.80 - $129.80
$129.80
+ GST
ARP Rocker Stand Stud (ARAPJ3-100-6GB) ARAPJ3-100-6GB
Contact for availability
$41.00 - $41.00
$41.00
$41.00 - $41.00
$41.00
+ GST

ARP Rocker Stand Stud (ARAPJ3-100-6GB)

fits DichellisHemi Rocker Stand

ARAPJ3-100-6GB - ARP ROCKER STAND STUD SUITfits Dichellis Hemi Rocker StandPart Number: ARAPJ3-100-6GBIt is for good reason that virtually every to...

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$41.00 - $41.00
$41.00
$41.00 - $41.00
$41.00
+ GST
Contact for availability
ARP Rocker Arm Stud Kit, Pro Series (AR334-7203) AR334-7203
$353.00 - $353.00
$353.00
$353.00 - $353.00
$353.00
+ GST

ARP Rocker Arm Stud Kit, Pro Series (AR334-7203)

7/16" fits Chev, Ford & Holden, Has Shank Under Hex To Locate Guide Plate

CHEV FORD HOLDEN 7/16 ROCKER7/16" fits Chev, Ford & Holden, Has Shank Under Hex To Locate Guide PlatePart Number: AR334-7203 B= 2.100" C= .750...

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$353.00 - $353.00
$353.00
$353.00 - $353.00
$353.00
+ GST
ARP Rocker Arm Stud Kit, Pro Series (AR334-7202) AR334-7202
$342.80 - $342.80
$342.80
$342.80 - $342.80
$342.80
+ GST

ARP Rocker Arm Stud Kit, Pro Series (AR334-7202)

7/16" fits Chev, Ford & Holden, Has Shank Under Hex To Locate Guide Plate

CHEV FORD HOLDEN 7/16 ROCKER7/16" fits Chev, Ford & Holden, Has Shank Under Hex To Locate Guide PlatePart Number: AR334-7202 B= 2.100" C= .850...

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$342.80 - $342.80
$342.80
$342.80 - $342.80
$342.80
+ GST
ARP Perma Loc Posi Locks, 12-Point Black Oxide (AR300-8248) AR300-8248
$642.80 - $642.80
$642.80
$642.80 - $642.80
$642.80
+ GST

ARP Perma Loc Posi Locks, 12-Point Black Oxide (AR300-8248)

fits Girdle With 7/16" Stud, 1.485" Length (16 Pack)

7/16 GIRDLE POSI LOCKS .750fits Girdle With 7/16" Stud, 1.485" Length (16 Pack)Part Number: AR300-8248 A= 2.615&quot B= 1.485" C= .600" D= .75...

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$642.80 - $642.80
$642.80
$642.80 - $642.80
$642.80
+ GST
ARP Perma Loc Posi Locks, 12-Point Black Oxide (AR300-8246) AR300-8246
$232.80 - $232.80
$232.80
$232.80 - $232.80
$232.80
+ GST

ARP Perma Loc Posi Locks, 12-Point Black Oxide (AR300-8246)

7/16" Stud With .600" Body O.D, fits Aluminium Rockers (16 Pack)

7/16 POSI LOCKS .600 BODY DIA.7/16" Stud With .600" Body O.D, fits Aluminium Rockers (16 Pack)Part Number: AR300-8246 A= 1.200" D= .600" Exclusiv...

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$232.80 - $232.80
$232.80
$232.80 - $232.80
$232.80
+ GST
ARP Perma Loc Posi Locks, 12-Point Black Oxide (AR300-8244) AR300-8244
$232.80 - $232.80
$232.80
$232.80 - $232.80
$232.80
+ GST

ARP Perma Loc Posi Locks, 12-Point Black Oxide (AR300-8244)

3/8" Stud With .600" Body O.D, fits Aluminium Rockers (16 Pack)

3/8 POSI LOCKS .600 BODY DIA.3/8" Stud With .600" Body O.D, fits Aluminium Rockers (16 Pack)Part Number: AR300-8244 A= 1.200&quot D= .600" Ex...

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$232.80 - $232.80
$232.80
$232.80 - $232.80
$232.80
+ GST
ARP Perma Loc Posi Locks, 12-Point Black Oxide (AR300-8243) AR300-8243
Contact for availability
$243.20 - $243.20
$243.20
$243.20 - $243.20
$243.20
+ GST

ARP Perma Loc Posi Locks, 12-Point Black Oxide (AR300-8243)

3/8" Stud With .550" Body O.D, fits Aluminium Rockers (16 Pack)

3/8 POSI LOCKS .550 BODY DIA.3/8" Stud With .550" Body O.D, fits Aluminium Rockers (16 Pack)Part Number: AR300-8243 A= 1.200&quot D= .550" Ex...

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$243.20 - $243.20
$243.20
$243.20 - $243.20
$243.20
+ GST
Contact for availability