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GSC Power Division Intake Valve Guide +.003" (Nissan RB26DETT / SR20DET) GSC3042.003-1

GSC Power Division Intake Valve Guide, +.003" Single (Nissan RB26DETT / SR20DET) - GSC3042.003-1

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gsc3042.003-1
$6.71
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GSC Power Division Intake Valve Guide – +0.003" Oversize Single (Nissan RB26DETT / SR20DET) – GSC3042.003-1

The GSC Power Division +0.003" Oversized Intake Valve Guide is designed for Nissan’s RB26DETT and SR20DET engines. Perfect for cylinder heads that have been reworked or require a tighter fit, this guide ensures precise valve stem alignment and dependable performance in both OEM-style rebuilds and high-output builds.

Fitment & Options

  • RB26DETT: Compatible with sets of 12 or sold individually
  • SR20DET: Compatible with sets of 8 or sold individually
  • Oversized Variants: Available in +0.001" and +0.003" sizes for custom-fit applications

Specifications

  • Total Length: 1.692 in / 42.98 mm
  • Outer Diameter: 0.3950 in / 10.03 mm
  • Valve Stem Diameter: 6 mm

Whether you're refreshing a factory head or building for serious performance, GSC3042.003-1 delivers the precision and durability trusted by engine builders worldwide.

Fitment:

Nissan RB26DETT – 2.6L Twin Turbo Inline-6
- 1989–2002 Nissan Skyline GT-R R32 / R33 / R34
- 1991–2002 Nissan Stagea RS260 (select models with RB26DETT)
- 1990s–2000s RB26DETT-swapped builds (240SX, Silvia, Laurel, etc.)
Nissan SR20DET – 2.0L Turbo Inline-4
- 1989–1994 Nissan Silvia S13
- 1995–1998 Nissan Silvia S14
- 1999–2002 Nissan Silvia S15
- 1991–1994 Nissan Pulsar GTI-R
- 1991–1998 Nissan 180SX
- 1990s–2000s SR20DET-swapped builds (B13 Sentra, NX2000, 240SX, etc.)

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