Set includes:
4 Nippon Racing Honda/Acura V2 P72 Pistons
Skunk2 Alpha Series High Strength Steel H-Beam Rods with ARP Rod Bolts
NPR or Hastings Piston Rings
High Strength case Hardened 9310 Steel Wrist Pins
8 Hardened Spiral Lock Wrist Pin Clips
Nippon Racing JDM P72 Pistons are Heat Treated and come with a Ceramic Hard Anodized Surface Down to the Second Ring Groove to Improve Heat Dissipation as well as use with Nitrous. These Pistons are equipped with 4 Cryogenically heat treated 21MM wrist pins and teflon coated skirts.
All Nippon Racing piston set are weight matched to +/- 1 gram. Nippon Racing Pistons have deeper valve pockets that traditional P72 pistons to allow the use of performance camshafts up to stage 3. These are true performance pistons with a rating of 450hp.
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These pistons are domed to match Honda's P72 piston.
40 Percent stronger than OEM Honda cast pistons.
Wrist pin center to dome height has been matched to within .001"
Dome displacement has been matched to within .005 CC
This results in near identical cylinder compression, yielding more horsepower and better efficiency.
These Pistons are available in:
STD Standard (81MM)
+.020 81.50MM,
+.030" OVERSIZED (81.75mm)
+.040" OVERSIZED (82mm)
B20 STD Standard (84MM)
+.020 84.50MM,
+.040" OVERSIZED (85mm)
JDM Nippon Racing GSR P72 Pistons with Teflon Coated Skirts Fits Honda B16A B16B B16A2, B17A, B18A/B, B18C (GS-R or B18C5 Type-R).Ring Combo Includes Full Floating Piston Set, Ring Set and Skunk2 Rods.
Skunk2 Alpha Series Rods feature an H-Beam design that is precision CNC machined from high-strength aircraft-grade 4340 alloy steel forgings that are then heat treated, tempered, and shot peen stress relieved. Skunk2 Alpha rods come with bronze wrist pin bushings and feature forced pin oiling. Each rod incorporates ARP2000 fasteners rated at over 220,000psi and can handle between 175hp to 200hp per cylinder on average.
Rod Features:
Forged 4340 Alloy Steel
Bronze Wrist Pin Bushings
Forced Pin Oiling
Shot Peen Stress Relieved
Balanced to within +/- 1 gram
3/8-Inch ARP2000 Rod Bolts Included
Note for Compression Estimate please use a compression calculator (choose USDM P72 as the piston type).