Manley Performance Platinum Series Piston w/Ring Nissan GT-R 3.8L VR38DETT 88.4mm Stroke

$196.78 $186.94

SKU: 625GR1-1

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Offset wrist pin design is utilized for quiet start-ups. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. All GT-R pistons come with moly coated skirts. round wire locks, premium chrome moly wrist pins, and premium steel top ring with napier second sets from Total Seal are included with every kit at no additional charge. 9310 alloy upgraded wrist pins are available.

  • 2618 high strength material
  • Offset wrist pin for quiet start-ups
  • 2.500" x .180" wall Premium Chrome Moly pin included P/N 42346
  • 9310 alloy .210" wall pin upgrades available P/N 42546
  • Pressure balance groove
  • Will accommodate +1mm valve sizes
  • Premium Steel 1.2mm top ring set with 1.2mm Napier second ring and 9-13lb. tension 3mm oil ring included
  • .260 Crown thickness
  • Round wire locks included

* These pistons feature skirt diameters that correspond to the OEM Grade 1, 2 or 3 bores resulting in a piston to wall clearance range of .0032" - .0039". Check the bore grades on the back of your block and order the appropriate quantities of Grade 1, 2 or 3 pistons. (Sold as -1 individual pieces, not sets.)

Part # 95.5mm Bore
Grade Range
Rod Length Stroke
Volume (cc)
Piston Type Piston
Wt / Gms
Ring Set
625GR1-1* 95.5 Grade 1 6.500" 88.4 1.350" -1.5 9.25 Flat Top 449 46956-1
625GR2-1* 95.5 Grade 2 6.500" 88.4 1.350" -1.5 9.25 Flat Top 449 46956-1
625GR3-1* 95.5 Grade 3 6.500" 88.4 1.350" -1.5 9.25 Flat Top 449 46956-1