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Manley Performance Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6
Manley Performance Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6
Manley Performance Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6
Manley Performance Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6
Manley Performance Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6
Manley Performance Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6
Manley Performance Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6
Manley Performance Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6
Manley Performance Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6
Manley Performance Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6
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Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6

MAN643005C-6
807298109602
Piston Sets - Forged - 6cyl
Out of stock
$ 1,208.45 $ 1,111.78

SKU: 643005C-6 | UPC: 807298109602

Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6 Skyline GT-R 1989-2002

Upgrade your Nissan RB26DETT engine with this Manley Platinum Series piston set of 6 designed for Skyline GT-R models from 1989 to 2002. Featuring 86.5mm bore 73.7mm stroke and +20cc dome volume for 9.0:1 compression ratio at 8.5cc chamber volume these pistons support high boost levels and power gains. Engine builders count on their strength for drag racing and track use.

Key Features

  • 2618 Alloy Forgings: Forged from high-silicon 2618 material handles high heat and detonation in turbocharged applications
  • Cam and Skirt Profiles: Accumulator groove and barrel skirt design controls expansion and minimizes skirt wear
  • Tool Steel Wrist Pins: 21mm x 49mm H13 pins provide maximum strength with wire locks included
  • Moly Skirt Coating: Reduces friction scuffing and galling for smoother break-in and longer life
  • Exact Specifications: 86.5mm bore 73.7mm stroke 30mm compression height 9.0:1 CR with +20cc domes includes rings 1.2 1.2 2.8mm

Product Notes

  • Requires custom balancing and ring gapping to engine specifications during assembly
  • Inspect bores for 86.5mm fit check piston to wall clearance 0.004 inch nominal
  • Handle with care to protect moly coating and precision surfaces

Installation Notes

  • Professional installation recommended.
  • Compression height 30mm verify rod length and deck height before install
  • Compatible with standard RB26DETT rings pins and circlips supplied

This Part Fits

Year Make Model Submodel
1989-1994 Nissan Skyline R32 GT-R RB26DETT
1995-1998 Nissan Skyline R33 GT-R RB26DETT
1999-2002 Nissan Skyline R34 GT-R RB26DETT

Why Choose Manley?

  • Proven choice for GT-R engine builders worldwide
  • Race-developed designs deliver consistent power and reliability
  • CNC-machined in USA for tight tolerances and repeatability

Frequently Asked Questions

  • Q: Will these pistons fit my R34 GT-R RB26DETT engine?
    A: Yes designed specifically for stock bore conversions to 86.5mm on R32 R33 R34 GT-R RB26DETT blocks with 73.7mm stroke crankshafts
  • Q: What material are these pistons made from?
    A: High-strength 2618 T6 aluminum alloy forgings with moly coated skirts tool steel pins and performance ring pack
  • Q: What is the warranty on these pistons?
    A: Manley offers a limited one-year warranty against manufacturing defects when installed by qualified professionals

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective foam-lined box 12 x 12 x 6 inches
  • Weight: 6 lbs

Request For Information

Have questions about Manley Nissan RB26DETT 86.5mm Bore 73.7mm Stroke +20cc Dome 9.0:1 Comp Piston Set - Set of 6? Fill out the form below and we'll get back to you by the next business day.
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