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Nissan SR20DET Spool Drag Pro I Beam Connecting Rods and ROSS Forged Pistons

Nissan SR20DET Spool Drag Pro I Beam Connecting Rods and ROSS Forged Pistons

by Spool Imports
$1,890.00 - $2,401.00
$1,890.00
$1,890.00 - $2,401.00
$1,890.00

Availability

1-5 Days from Warehouse - Please Call To Confirm Instore Availability

Nissan SR20DET Spool Drag Pro I Beam Forged Connecting Rods and Ross Racing Forged Pistons

This Package includes:

  • Spool Drag Pro I Beam Conrods (ARP 2000 7/16 bolts)
  • Custom Ross Racing Forged Pistons (Rings, Pins and Locks)

Ross Racing Pistons:

These Pistons are custom made for Spool and rated at 650 – 700hp by Ross Racing Pistons.
With upgrade pins Ross rate these pistons up to 250 bhp per cylinder.
  • Compression Ratio:9.0:1
  • Bore Sizes: 86.5mm or 87mm
  • Pistons come with NPR Gas Nitrided top ring, three pcs. oil
  • 0.225” wall Carbon steel ( upgrade to H13 available )
  • Forged 2618
  • Locks

All of Ross Racing Pistons (since 1985) have been forged from 2618 billet bar stock and have been heat treated and aged to a T61 condition (2618-T61). 2618-T61 is the material that is used when fatigue resistance and durability are of prime importance by all premium racing piston manufacturers.

This material has less than 1% silicon particulate content. High silicon content pistons (forged from 4032 or MS75) will not stand up to the most extreme stress placed on many racing pistons. If a crack starts to form in a high silicon piston it will continue until the piston experiences a catastrophic failure. Simply stated, adding sand to the aluminum only makes it more brittle. In the rare instance of a 2618-T61 piston cracking, the crack will continue to an area where the stress is not as great and will then stop. Another advantage of 2618-T61 over the high silicon pistons is the ability to keep its shape under extreme pressure and high RPM's. "Skirt Shrinking" is not a problem with ROSS Racing Pistons.

Spool Drag Pro I Beam Connecting Rods are the ultimate high strength direct fit conrod for all Nissan SR20 engines.

  • Upgraded ARP2000 7/16 bolts
  • Increased strength to the beam
  • Increased strength around the fasteners / bolts
  • Increased strength around the gudgeon pin

Spool Connecting Rods Feature:

  • ARP 2000 fasteners (L19 fasteners are available as an upgrade)
  • High tensile 4340 forged steel
  • 2 Piece forging
  • Hardness of HRC36-42
  • Dowelled caps for precision alignment
  • X-RAY & Sonic tested
  • Quenching and heat treated
  • Shot peened
  • 100% Magnafluxed
  • Weight Matched Sets +/- 1 gram
  • Vacuum degassed to remove impurities

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