REINFORCEMENT HEAD BOLTS

The high-boost and high-compression engine tends to occur distortion between the cylinder head and the cylinder block as a junction part of combustion chamber.
JUN is saled the stregnthed head bolts for high-tuning engine becase of the severe situation.
  • HEAD BOLT
  • HEAD BOLT
JUN REINFORCEMENT HEAD BOLTS
Engine Spec(unit:mm) Part # MSRP(yen) Remarks
Form Bolt Size
NISSAN
A12 StudStock 1027M-N006JPY24,840
L4 StudStock 1027M-N007JPY24,840
L6 StudStock 1027M-N008JPY25,920
CA18DE(T) StudStock 1027M-N009JPY24,840
SR20DE(T) StudStock 1027M-N011JPY28,080
SR20DE(T)
Standard
 BoltStock 1027M-N003discontinuedS13/S14/S15
SR20DE(T)
Racing
 BoltM12x1.5 1027M-N004JPY30,240S13/S14/S15
Bolt hole expansion processing is necessary.
SR20DET/RNN14 StudStock 1027M-N005JPY36,720 / for the Pulsar
RB20DE(T)/RB25DE(T) StudStock 1027M-N010JPY34,560
RB26DETT StudStock 1027M-N002JPY42,120 
VQ35DE StudStock 1027M-N012JPY42,120
VR38DETT StudStock 1027M-N013JPY151,200
TOYOTA
4A-G(16V) StudStock 1027M-T001JPY28,080
3S-G(T)E StudStock 1027M-T002JPY28,080
7M-GTE StudStock 1027M-T003JPY34,560
BoltStock 1027M-T004JPY30,240
2JZ-G(T)E StudStock 1027M-T005JPY42,120
HONDA
B16A StudStock 1027M-H001JPY28,080
B16B/B18C StudStock 1027M-H002JPY28,080
H22A StudStock 1027M-H003JPY30,240
K20A StudStock 1027M-H004JPY28,080
F20C StudStock 1027M-H005JPY30,240
MITSUBISHI
4G63 BoltStock 1027M-M005JPY25,920
4G63 BoltStock 1027M-M001discontinued 
4B11 StudStock 1027M-M004JPY28,080
6G72 StudStock 1027M-M002JPY91,800
SUBARU
EJ20/EJ25 StudStock 1027M-F002JPY69,120
EJ20/EJ25 BoltStock 1027M-F001discontinued 
MAZDA
B6/BP StudStock 1027M-Z001JPY28,080 
  • Manufactured by ARP Inc.