Page 572 - 2021-22_EngineCatalogAP

ROCKER ARM STUDS
Rocker Arm Studs
Part No.
Allstar Performance
ALL90230
PartNo.
Description
Small Block Chevy OEM Replacement, 7/16"-14 X 3/8"-24, 2.375 Overall Length
Description B C D E F
ARP High-Performance Series (High-Performance studs are rated at 170,000 PSI. Pro Series are rated at 190,000 PSI.)
ARP100-7101
ARP100-7201 ARP134-7101 ARP135-7101 ARP134-7103 ARP134-7104 ARP134-7201 ARP135-7102 ARP135-7201 ARP135-7202
SBC With Roller Rockers and Girdles,
SBF with Roller Rockers and Girdles, 7/16"-20 Top, 7/16"-14 Bottom, (16) GM 4.3L V6, 3/8"-24 Top, 8mm x 1.25 Bottom, (12)
SBC, Pontiac, 3/8"-24 Top, 7/16"-14 Bottom (16)
BBC 7/16"-20 Top, 7/16-14" Bottom (16)
SBC, Pontiac 7/16"-20 Top, 7/16-14" Bottom (16)
SBF With Roller Rockers, 3/8"-24 Top, 7/16"-14 Bottom (16)
SBC Vortec, 3/8"-24 Top, 8mm x 1.25 Bottom (16)
BBC Mark V, 7/16"-20 Top, 3/8"-16 Bottom (16)
BBC 496 (8100 Series), 7/16"-20 Top, 10mm x 1.5 Bottom, (16)
BBC Aluminum Head, 7/16"-20 Top, 7/16"-14 Bottom (16)
1.900"
1.595" 1.750" 1.750" 1.770" 1.895" 1.750" 1.900" 1.750" 2.350"
1.900"
1.900" 1.750" 1.770" 1.900" 1.900" 1.460" 1.750" 2.000" 2.000" 2.000" 2.000" 2.000" 2.000" 2.000" 1.900" 2.100" 2.100" 2.000" 2.700"
.750"
.800" .700" .800" .700" .710"
.600" .750" .750" .850"
.750"
.750" .700" .700" .860" .850"
1.100" .800" 1.3"/.820"
1.650" .820" 1.3"/.820"
1.000"
.580" .800" .850" .670"
1.000" .850" .750" .600" .850"
1.000"
1.000" .800" .670" .830" .850"
.500" .850" 1.000" .700" .700" .700 1.000" 1.000" 1.050"
.830" .800" .800" .800" 1.300"
7/16"-20
3/8"-24 3/8"-24 7/16"-20 7/16"-20 3/8"-24 3/8"-24 7/16"-20 7/16"-20 7/16"-20
7/16"-20
7/16"-20 3/8"-24 7/16"-20 7/16"-20 7/16"-20 5/16"-24 7/16"-20 7/16"-20 7/16"-20 7/16"-20 7/16"-20 7/16"-20 7/16"-20 7/16"-20 7/16"-20 7/16"-20 7/16"-20 7/16"-20 7/16"-20
Stud Length
7/16"-14
8mm x 1.25 7/16"-14 7/16"-14 7/16"-14 7/16"-14 8mm x 1.25 3/8"-16 10mm x 1.50 7/16"-14
7/16"-14
7/16"-14 7/16"-14 7/16"-14 7/16"-14 7/16"-14 8mm x 1.25 7/16"-14 7/16"-14 7/16"-14 7/16"-14 7/16"-14 7/16"-14 7/16"-14 1/2"-13 7/16"-14 7/16"-14 7/16"-14 7/16"-14 7/16"-14
ARP Pro Series
ARP200-7201
ARP200-7202 ARP234-7201 ARP234-7202 ARP234-7205 ARP234-7206 ARP234-7207 ARP235-7201 ARP235-7202 ARP235-7203 ARP235-7204 ARP235-7205 ARP235-7206 ARP235-7207 ARP290-7201 ARP334-7201 ARP334-7202 ARP334-7203 ARP334-7204 ARP354-7204
Part No.
SBC with Roller Rockers and Girdles,
SBF with Roller Rockers and Girdles, 7/16"-20 Top, 7/16"-14 Bottom (16) SBC 7/16"-20 Top, 7/16-14" Bottom (16)
SBC, Pontiac, 3/8"-24 Top, 7/16"-14 Bottom (16)
SBC, Pontiac 7/16"-20 Top, 7/16-14" Bottom (16)
SBC with Roller Rockers 7/16"-20 Top, 7/16"-14 Bottom (16)
SBC with Roller Rockers and Girdles, 7/16"-20 Top, 7/16"-14 Bottom LS GEN III/IV, 5/16"-24 Top, 8mm x 1.25 Bottom (16)
BBC, 7/16" 20 Top, 7/16-14 Bottom, (16)
BBC Dart Aluminum Heads, 7/16"-20 Top, 7/16"-14 Bottom, (16) BBC Aluminum Heads, Exhaust Only, 7/16"-20 Top, 7/16"-14 Bottom,
(16)
(8) BBC Aluminum Heads, Exhaust Only, 7/16"-20 Top, 7/16"-14 Bottom, (8)
BBC Dart Aluminum Heads, 7/16"-20 Top, 7/16"-14 Bottom, (16) BBC Aluminum Heads, Exhaust Only, 7/16"-20 Top, 7/16"-14 Bottom, BBC Aluminum Heads, Exhaust Only, 7/16"-20 Top, 7/16"-14 Bottom,
Pontiac (1964 & Later) 7/16"-20 Top, 7/16"-14 Bottom, (16) SBC 7/16"-20 Top, 7/16-14" Bottom (16)
SBC with Roller Rockers and Girdles, 7/16"-20 Top, 7/16"-14 Bottom SBC with Roller Rockers and Girdles, 7/16"-20 Top, 7/16"-14 Bottom SBC with Roller Rockers and Girdles, 7/16"-20 Top, 7/16"-14 Bottom
Ford SVO 351 with Girdle, 7/16"-20 Top, 7/16-14" Bottom (16)
(8) (8)
(16) (16) (16)
1.650" .820" 1.025" .660" .850" .750" .750" .850"
OIL FILTER BLOCK-OFFS ANDROECMKOETREAARDMASPTUEDRS
Description Base Size
Base Length
Stud Size
Comp Cams
High Energy and Magnum studs are recommended for use with moderate valve lift and spring pressures. are ideal for high RPM, roller cam equipped race engines.
Hi-Tech Race Studs
COM4500-16 COM4502-16 COM4503-16 COM4504-16 COM4505-16 COM4507-8 COM4512-16 COM4514-16 COM4542-16
COM4554-16
Part No.
Crane Standard Series
CRN99147-16 CRN99152-16 † CRN99155-16 CRN99156-16 CRN99157-16 CRN99159-16
Dart Machinery
DRT27002204
DRT27002223
1.750" 1.750" 1.750" 1.750" 1.750" 2.00" 1.900" 1.900" 1.520"
1.500"
D
.875" 1.000" 1.000"
.806"
.860" 1.060"
High Energy Universal, 3/8"-24 Top, 7/16"-14 Bottom (16) Magnum Universal, 3/8"-24 Top, 7/16"-14 Bottom (16) Magnum Universal, 7/16"-20 Top, 7/16"-14 Bottom (16) SBF, Magnum 3/8"-24 Top, 5/16"-18 Bottom, (16)
High Energy Universal, 3/8"-24 Top, 7/16"-14 Bottom, (16) BBC Exhaust Only, Hi-Tech 7/16"-20 Top, 7/16"-14 Bottom, (8) BBC, Hi-Tech, 7/16"-20 Top, 7/16"-14 Bottom, (16)
BBC Mark V/VI, Hi-Tech, 7/16"- 20 Top, 3/8"-16 Bottom, (16) Mopar/Olds, Magnum, 3/8"-24 Top, 5/16"-18 Bottom, (16) GM GEN III/LS1/LS2/LS6, Hi-Tech, 3/8"-24 Top,
8mm x 1.25 Bottom, (16)
Description
7/16"-20 Top, 5/16"-18 Bottom 7/16"-20 Top, 3/8"-16 Bottom 7/16"-20 Top, 10mm-1.5 Bottom 3/8"-24 Top, 7/16"-14 Bottom 7/16"-20 Top, 7/16"-14 Bottom 7/16"-20 Top, 7/16"-14 Bottom
7/16" .680" 7/16" .680" 7/16" .750" 5/16" .680" 7/16" .680" 7/16" 1.680" 7/16" .750" 3/8" .750" 5/16" .580"
8mm .800"
A B
2.313" .813" 2.650" .750" 2.650" .750" 2.396" .716" 2.560" .800" 2.670" .740"
3/8" 3/8" 7/16" 3/8" 3/8" 7/16" 7/16" 7/16" 3/8"
3/8"
C
1.500" 1.900" 1.900" 1.680" 1.760" 1.930"
7/16"-20 Top, 7/16"-14 Bottom 3.300" 1.300" — .700"
7/16"-20 Top, 7/16"-14 Bottom 2.820" .820" — .700"
† Conversion stud for BB Chevy Gen. V & VI, use OEM guide plates.
570 2021-22 ENGINE BUILDER CATALOG