Nissan RB30DET (RB25/26 Head) Spool Drag Pro I Beam Conrods and CP Forged Pistons (8.5:1)

Beschreibung

These are a flat top piston with no valve reliefs

These CP forged pistons are available in est. 8.2:1 – 8.5:1 compression ratio for the RB30DET ( using RB25 or RB26 cylinder head)

Pistons are available in:

• Compression Ratio: est. 8.2:1 – 8.5:1
• Bore Sizes: STD, +0.5mm and +1mm
• Pistons come with rings, gudgeon pins and pin locks

Spool Drag Pro I Beam connecting rods are the ultimate high strength direct fit con rod for all Nissan RB30 engines.

With new features like:

• 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

CP Pistons standard features include:

• 5310 gudgeon pins (9310 thicker wall thickness pins are available as an upgrade)
• Custom skirt cam and barrel design
• Accumulator grooves
• High strength aluminium forgings
• High performance rings
• Fully CNC machined and balanced to +/- 1 gram
• Wrist pins included
• Double pin oilers force fed from oil ring groove
• Pick lock grooves for easy lock removal
• Pin fitting included

Note: We recommend Joe Gibbs Break in Oil for all new engines.