REINFORCED CRANK MAIN CAP BOLT

Crankshaft is one of the crucial part that have weighing by combustion power that changed rotation. Crank Main Cap Stud Bolt is a shaft bearing part of crank shaft that fixes a block and a cap connecting together. If this part gets thermal expansion a crank housing could not be kept in circular shape and it could be possible to get scorching. JUN Crank Main Cap Stud Kit has designed to diffuse the tension that usually concentrate at a point to make the most use of the screw by the cylinder head. Therefore, this is resistant to vibration and easier to lead potential-up.
JUN produces 2 kinds of Crank Main Cap Stud Kit; Regular Type (with no machining), and Racing Type (with machining using for stout bolts and holes).
  • CRANK MAIN CAP BOLT

JUN REINFORCED CRANK MAIN CAP BOLT
Engine Spec(unit:mm) Part # MSRP(yen) Remarks
Form Bolt Size
NISSAN
L4 StudStock 1025M-N004JPY23,760
L6 StudStock 1025M-N005JPY25,920
SR20DE(T) StudStock 1025M-N003JPY23,760
12 1025M-N002RdiscontinuedBolt hole expansion processing is necessary.
RB26DETT
RB25DE(T)
RB20DE(T)
StudStock 1025M-N008JPY31,320
12 1025M-N001RdiscontinuedBolt hole expansion processing is necessary.
VQ35DE StudStock 1025M-N006JPY41,040
VR38DETT StudStock 1025M-N007JPY45,360
TOYOTA
4A-G(16V) BoltStock 1025M-T001JPY17,280
StudStock 1025M-T002JPY23,760
7M-GTE StudStock 1025M-T004JPY34,560
2JZ-G(T)E StudStock 1025M-T005JPY34,560 / 1993-1998
HONDA
B16A StudStock 1025M-H001JPY21,600
B16B/B18C StudStock 1025M-H002JPY23,760
H22A StudStock 1025M-H003JPY23,760
MITSUBISHI
4G63 BoltStock 1025M-M001JPY54,000
4B11 BoltStock 1025M-M003JPY21,600
StudStock 1025M-M004JPY30,240
6G72 StudStock 1025M-M002JPY34,560
SUBARU
EJ20/EJ25 StudStock 1025M-F001JPY88,560 / Crank case bolt
MAZDA
B6/BP StudStock 1025M-Z001JPY23,760
  • Manufactured by ARP Inc.