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Single Wound BC Valve Spring Kit for 1/2/3UZ with Titanium Retainers
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1989-1997 1UZ non-VVTi Performance Valve Spring Kit by BC Brian Crower Single Wound


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Please note these work best in the non-VVTi 1UZ engine. The 1UZ VVTi, all 2UZ, and all 3UZ engines should look at the SuperTech kit instead

This is the perfect solution for those looking to add more seat pressure for higher revs and larger cams in the UZ engine (non-VVTi and VVTI versions included).

This single wound spring will work perfect with the factory retainer and keepers. Coil bind is an immense 550 thousandths. We also have an option to include titanium retainers for a non-VVTi 1UZ. Please note that we currently only have BC retainers for the non-VVTi 1UZ engines. The springs will fit the VVTi and 2UZ engines, however you will either need to reuse the factory retainers, or use the (recommended) full SuperTech kit instead. Please see below for that listing.

What does this mean? You can run more cam than the unmodified head will take! This spring is good to over 10,000 RPM with proper supporting mods. Seat pressure on standard 1UZ is 72 lbs, and in VVTi engines is 67 lb. Price is per set of 32 springs, for 1 complete engine.

  • $375
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  • Weight
    12 lbs
  • SKU
    bc1uzvs
  • 1UZ Non-VVTi Titanium Retainer Set
    Yes, No
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Most product ships from either the manufacture or largest wholesale location to pass the saving to you. Most orders will ship via FedEx, as we will be able to provide the best rates and have had the least issues when using FedEx.

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Refund, Returns and Cancellation Policies: all returns are subject to the restocking fee as per the provider of the part. Engine internals are non-returnable due to their nature.

Make Model Year Engine
- Toyota Aristo 1992 V8 4.0
- Toyota Aristo 1993 V8 4.0
- Toyota Aristo 1994 V8 4.0
- Toyota Aristo 1995 V8 4.0
- Toyota Aristo 1996 V8 4.0
- Toyota Aristo 1997 V8 4.0
- Toyota Aristo 1997 V8 4.3
- Toyota Aristo 1998 V8 4.0
- Toyota Aristo 1998 V8 4.3
- Toyota Aristo 1999 V8 4.0
- Toyota Aristo 1999 V8 4.3
- Toyota Aristo 2000 V8 4.0
- Toyota Aristo 2000 V8 4.3
- Toyota Aristo 2001 V8 4.0
- Toyota Aristo 2001 V8 4.3
- Toyota Aristo 2002 V8 4.0
- Toyota Aristo 2002 V8 4.3
- Toyota Aristo 2003 V8 4.0
- Toyota Aristo 2003 V8 4.3
- Toyota Aristo 2004 V8 4.0
- Toyota Aristo 2004 V8 4.3
- Toyota Aristo 2005 V8 4.0
- Toyota Aristo 2005 V8 4.3
- Toyota Soarer 1991 V8 4.0
- Toyota Soarer 1992 V8 4.0
- Toyota Soarer 1993 V8 4.0
- Toyota Soarer 1994 V8 4.0
- Toyota Soarer 1995 V8 4.0
- Toyota Soarer 1996 V8 4.0
- Toyota Soarer 1997 V8 4.0
- Toyota Soarer 1998 V8 4.0
- Toyota Soarer 1999 V8 4.0
- Toyota Soarer 2000 V8 4.0
- Toyota Celsior 1989 V8 4.0
- Toyota Celsior 1990 V8 4.0
- Toyota Celsior 1991 V8 4.0
- Toyota Celsior 1992 V8 4.0
- Toyota Celsior 1993 V8 4.0
- Toyota Celsior 1994 V8 4.0
- Toyota Celsior 1995 V8 4.0
- Toyota Celsior 1996 V8 4.0
- Toyota Celsior 1997 V8 4.0
- Toyota Celsior 1998 V8 4.0
- Toyota Celsior 1999 V8 4.0
- Toyota Celsior 2000 V8 4.0
- Toyota Celsior 2001 V8 4.3
- Toyota Celsior 2002 V8 4.3
- Toyota Celsior 2003 V8 4.3
- Toyota Celsior 2004 V8 4.3
- Toyota Celsior 2005 V8 4.3
- Toyota Celsior 2006 V8 4.3
- Toyota Tundra 2000 V8 4.7
- Toyota Tundra 2001 V8 4.7
- Toyota Tundra 2002 V8 4.7
- Toyota Tundra 2003 V8 4.7
- Toyota Tundra 2004 V8 4.7
- Toyota Tundra 2005 V8 4.7
- Toyota Tundra 2006 V8 4.7
- Toyota Sequoia 2001 V8 4.7
- Toyota Sequoia 2002 V8 4.7
- Toyota Sequoia 2003 V8 4.7
- Toyota Sequoia 2004 V8 4.7
- Toyota Sequoia 2005 V8 4.7
- Toyota Sequoia 2006 V8 4.7
- Toyota Sequoia 2007 V8 4.7
- Toyota Sequoia 2008 V8 4.7
- Toyota Sequoia 2009 V8 4.7
- Toyota 4Runner 2003 V8 4.7
- Toyota 4Runner 2004 V8 4.7
- Toyota 4Runner 2005 V8 4.7
- Toyota 4Runner 2006 V8 4.7
- Toyota 4Runner 2007 V8 4.7
- Toyota 4Runner 2008 V8 4.7
- Toyota 4Runner 2009 V8 4.7
- Toyota Land Cruiser 1998 V8 4.7
- Toyota Land Cruiser 1999 V8 4.7
- Toyota Land Cruiser 2000 V8 4.7
- Toyota Land Cruiser 2001 V8 4.7
- Toyota Land Cruiser 2002 V8 4.7
- Toyota Land Cruiser 2003 V8 4.7
- Toyota Land Cruiser 2004 V8 4.7
- Toyota Land Cruiser 2005 V8 4.7
- Lexus - GS400 / Toyota Aristo 1997 V8 4.0 1UZ-FE VVTi
- Lexus - GS400 / Toyota Aristo 1998 V8 4.0 1UZ-FE VVTi
- Lexus - GS400 / Toyota Aristo 1999 V8 4.0 1UZ-FE VVTi
- Lexus - GS400 / Toyota Aristo 2000 V8 4.0 1UZ-FE VVTi
- Lexus - GX470 2005 V8 4.7 2UZ-FE VVTi
- Lexus - GX470 2006 V8 4.7 2UZ-FE VVTi
- Lexus - GX470 2007 V8 4.7 2UZ-FE VVTi
- Lexus - GX470 2008 V8 4.7 2UZ-FE VVTi
- Lexus - GX470 2009 V8 4.7 2UZ-FE VVTi
- Lexus - GS430 / Toyota Aristo 2001 V8 4.3 3UZ-FE VVTi
- Lexus - GS430 / Toyota Aristo 2002 V8 4.3 3UZ-FE VVTi
- Lexus - GS430 / Toyota Aristo 2003 V8 4.3 3UZ-FE VVTi
- Lexus - GS430 / Toyota Aristo 2004 V8 4.3 3UZ-FE VVTi
- Lexus - GS430 / Toyota Aristo 2005 V8 4.3 3UZ-FE VVTi
- Lexus - GS430 / Toyota Aristo 2006 V8 4.3 3UZ-FE VVTi
- Lexus - LS400 / Toyota Celsior 1989 V8 4.0 1UZ non-VVTi
- Lexus - LS400 / Toyota Celsior 1990 V8 4.0 1UZ non-VVTi
- Lexus - LS400 / Toyota Celsior 1991 V8 4.0 1UZ non-VVTi
- Lexus - LS400 / Toyota Celsior 1992 V8 4.0 1UZ non-VVTi
- Lexus - LS400 / Toyota Celsior 1993 V8 4.0 1UZ non-VVTi
- Lexus - LS400 / Toyota Celsior 1994 V8 4.0 1UZ non-VVTi
- Lexus - LS400 / Toyota Celsior 1995 V8 4.0 1UZ non-VVTi
- Lexus - LS400 / Toyota Celsior 1996 V8 4.0 1UZ non-VVTi
- Lexus - LS400 / Toyota Celsior 1997 V8 4.0 1UZ
- Lexus - LS400 / Toyota Celsior 1998 V8 4.0 1UZ VVTi
- Lexus - LS400 / Toyota Celsior 1999 V8 4.0 1UZ VVTi
- Lexus - LS400 / Toyota Celsior 2000 V8 4.0 1UZ VVTi
- Lexus - LS430 / Toyota Celsior 2001 V8 4.3 3UZ VVTi
- Lexus - LS430 / Toyota Celsior 2002 V8 4.3 3UZ VVTi
- Lexus - LS430 / Toyota Celsior 2003 V8 4.3 3UZ VVTi
- Lexus - LS430 / Toyota Celsior 2004 V8 4.3 3UZ VVTi
- Lexus - LS430 / Toyota Celsior 2005 V8 4.3 3UZ VVTi
- Lexus - LS430 / Toyota Celsior 2006 V8 4.3 3UZ VVTi
- Lexus - SC400 / Toyota Soarer 1991 V8 4.0 1UZ non-VVTi
- Lexus - SC400 / Toyota Soarer 1992 V8 4.0 1UZ non-VVTi
- Lexus - SC400 / Toyota Soarer 1993 V8 4.0 1UZ non-VVTi
- Lexus - SC400 / Toyota Soarer 1994 V8 4.0 1UZ non-VVTi
- Lexus - SC400 / Toyota Soarer 1995 V8 4.0 1UZ non-VVTi
- Lexus - SC400 / Toyota Soarer 1996 V8 4.0 1UZ non-VVTi
- Lexus - SC400 / Toyota Soarer 1997 V8 4.0 1UZ non-VVTi
- Lexus - SC400 / Toyota Soarer 1998 V8 4.0 1UZ VVTi
- Lexus - SC400 / Toyota Soarer 1999 V8 4.0 1UZ VVTi
- Lexus - SC400 / Toyota Soarer 2000 V8 4.0 1UZ VVTi