Included with this kit:
4 Nippon Racing Honda /Acura JDM P73 High Compression Pistons
Skunk2 Alpha Series Forged H-Beam Rods with ARP 2000 Alloy Rod Bolts
NPR or Hastings Racing Piston Rings
High Strength case Hardened 9310 Steel Wrist Pins
8 Hardened Spiral Lock Wrist Pin Clips
1 Packet of ARP Molly thread Lubricant
Nippon Racing JDM P73 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 pis and teflon coated skirts.
ALll Nippon Racing Piston sets are weight matched to +/- 1 gram. Nippon Racing pistons have deeper valve pockets than traditional P73 pistons to allow the use of performance cams up to Stage 3. These are true high performance racing pistons with a rating of 600 HP.
New addition, Rod housing has been expanded so there is no need for custom milled rods with these pistons
COMPRESSION RATIOS ARE AS FOLLOWS:
81MM B18A/B W/PR3 HEAD 11.8:1
81M B18A/B W/P72 HEAD 12:1
81MM B18C W/PR3 HEAD 11.4:1
81MM B18C W/P72 HEAD 11.7:1
Add .02 for every .50mm in Increased Diameter
This kit will fit all 81-84mm bore B-Series engines.
These pistons are designed only for NA applications.
Do not be fooled by imitation pistons. Nippon Racing Pistons are Made from a High Quality Proprietary Aluminum Alloy we have developed after years of racing import cars and building engines.
These pistons come with an extra lubrication slot on the wrist pin, for pin lubrication that is far superior to less expensive units.This is done to prevent pin damage under extreme pressure.
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
JDM Nippon Racing ITR P73 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.
Note for Compression Estimates not listed please an online calculator (choose JDM P73 as the piston type).