OEM HR/VHR Cylinder Head Bolt - Z1 Motorsports - Performance OEM and Aftermarket Engineered Parts Global Leader In 300ZX 350Z 370Z G35 G37 Q50 Q60
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Nissan 300ZX Z32 1990 1991 1992 1993 1994 1995 1996 VG30DETT VG30DE Twin Turbo Non Turbo Z1 Motorsports Logo 1990-1996
Nissan 350Z Z33 2003 2004 2005 2006 2007 2008 2009 VQ35DE 3.5l Revup Rev Up VQ35HR NISMO Z1 Motorsports Logo 2003-2008
Nissan 370Z Z34 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 3.7l VQ37VHR VHR NISMO Z1 Motorsports Logo 2009-2021
2023 Nissan Z Logo 2023+
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Infiniti G35 Coupe Sedan V35 V36 Skyline 2003 2004 2005 2006 2007 2008 3.5l VQ35DE Revup Rev Up VQ35HR Z1 Motorsports Logo 2003-2008
Infiniti G37 Coupe Sedan Convertible V36 CV36 HV36 Skyline 2008 2009 2010 2011 2012 2013 3.7l VQ37VHR Z1 Motorsports Logo 2008-2014
Infiniti Q60 Coupe CV36 2014 2015 VQ37VHR 3.7l Z1 Motorsports Logo 2014-2016
Infiniti Q50 Sedan Hybrid V37 2014 2015 2016 2017 2018 2019 2020 VQ37VHR 2.0t 3.0t 3.7l Red Sport Redsport VR30DDTT Z1 Motorsports Logo 2014+
Infiniti Q60 Coupe CV37 2017 2018 2019 2020 2.0t 3.0t Red Sport Redsport VR30DDTT Z1 Motorsports Logo 2017+
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OEM HR/VHR Cylinder Head Bolt

Brand: Nissan
Part #:
11056-JK21A - HR / VHR > 11056-JK20A
11056-JK21B - 15+ VHR > 11056-JK20B
Fits models: 350Z / 370Z / G35 / G37 / Q50 / Q60 2014-2016...

Product Description

Whenever the head is removed, replacement head bolts are required to maintain proper and equal torque and longevity. Head bolts stretch after they're initially torqued and heat cycled over the years, so reusing old head bolts is never recommended.

These can be used as an upgrade for high horsepower forced induction VQ35DE motors, however Z1 recommends using MR Head Bolts as they carry the highest tensile strength of any OEM head bolt.

Sold Individually | 16 required for full service.

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Price: $5.65

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