• Honda K20 Piston and Rod Set - Wiseco Molnar

Honda K20 Piston and Rod Set - Wiseco Molnar

$785.00

Product Description

Set of forged Wiseco pistons and Molnar rods for 02-11 Honda Civic Si 2.0L and 02-06 Acura RSX. Wiseco pistons are CNC machined from a forged aluminum alloy, feature Wiseco's Armor Glide™ and Armor Plating™, valve pocket design, and crown shape. Wiseco pistons are made in the United States. Molnar H-beam connecting rods are made from 4340 steel, heat treated and shot peened. The rods feature bronze bushings and ARP2000 rod bolts. For all the piston options and specs of each set please view chart in description bellow. We try to have as much inventory as possible, but due to the large variety of pistons please contact us prior to purchase to confirm piston and rod availability and choose from drop down menu bellow. Free shipping to the United States (Alaska and Hawaii included) is via USPS Priority Mail.



Wiseco Pistons:

On and off the street, you can depend on the maximum strength and minimum variance of Wiseco's aluminum-forged pistons for your sport compact vehicle. Wiseco's pistons outgun cast and hypereutectic pistons, giving you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. The advanced forging, extensive heat-treat, and finishing process assure you of the performance and reliability you demand from your engine.

Wiseco sport compact pistons feature Generous Valve Pocket Design that allow maximum flow around valve; and Piston Crown shapes designed to promote maximum intake charge efficiency through scavenging mixture "Cross Flow' during intake and exhaust valve overlap, which equates to more fuel and air, thus more horsepower. Wiseco pistons are also designed to optimize squish or quench during the compression-combustion cycle, resulting in resistance to detonation and pre-ignition. The end product is longer engine life and increased horsepower potential. Additionally, the pistons feature Complex Piston skirt profiles that reduce power robbing friction, yet promote stability in bore for optimum ring seal. Wiseco has also added their Armor Glide™ coating to most sport compact pistons which reduces power robing friction. Select sets also have Wiseco's Armor Plating™ which reduces heat on the dome, reduces the effects of detonation, and creates a hard yet smooth surface for the rings to rest on. Every piston features precision CNC machined ring grooves with proper orifice/accumulator volume using calculated groove root diameters and axial widths, and have excellent surface finish and flatness providing maximum ring seal that minimizes blow-by and oil consumption. Finally, Wiseco utilizes the latest technologies featuring forged shapes, advanced materials, and featured aligned grain flow technology, in their world class forging facility.

Part number : See chart bellow
Bore and oversize : See chart bellow
Stroke : 3.386"
Rod length : 5.472"
Compression height : 1.181"
C/R and piston cc : See chart bellow
Piston Pin : 22mm

Molnar Rods:

Molnar H-Beam Connecting Rods are made from 4340 billet material, heat treated to increase tensile strength, and shot peened to increase fatigue life. All rods have a wear resistant bronze bushing for long wrist pin life and feature ARP2000 fasteners. All Molnar Technologies connecting rods are finished right here in the United States. 2 types of rods are available, "Turbo" (HH5472FFB4-A) which are reinforeced and thus a little heavier than the "Lightwieght" (HH5472FFB4-L4-A).

Part number : HH5472FFB4-A / HH5472FFB4-L4-A
Center to center : 5.472"
Hone size : 2.008"
Big end width : 0.782"
Pin size : 22mm
Small end width : 0.782"
Weight : +/-502g / +/-450g
Rod Bolt : 3/8" ARP2000

Piston Chart :

Part Number           

Bore and Oversize Compression and cc
K573M86AP 86.00mm, std 11.6:1, 8cc
K573M865AP 86.50mm, 0.020" 11.7:1, 8cc
K573M87AP 87.00mm, 0.040" 11.8:1, 8cc
K573M875AP 87.50mm, .060" 12.0:1, 8cc
K573M88AP 88.00mm, 0.080" 12.1:1, 8cc
K573M89AP 89.00mm, 0.120" 12.3:1, 8cc
K650M86AP 86.00mm, std 12.2:1, 10.5cc
K650M865AP 86.50mm, .020" 12.3:1, 10.5cc
K650M87AP 87.00mm, .040"  12.5:1, 10.5cc
K650M875AP     87.50mm, .060"  12.6:1, 10.5cc     
K650M88AP 88.00mm, .080" 12.7:1, 10.5cc
K650M89AP 89.00mm, .120" 12.9:1, 10.5cc
 K568M86  86.00mm, std  8.8:1, -9cc
K568M865         86.50mm, .020" 8.8:1, -9cc           
K568M87 87.00mm, .040" 8.9:1, -9cc
K568M875 87.50mm, .060"  9.1:1, -9cc
K568M88 88.00mm, .080" 9.1:1, -9cc
K568M89 89.00mm, .120" 8.3:1, -9cc
K631M86 86.00mm, std 9.6:1, -3.4FT
K631M865 6.50mm, .020" 9.6:1, -3.4FT
K631M87 87.00mm, .040" 9.7:1, -3.4FT
K631M875 87.50mm, .060"  9.8:1, -3.4FT
K634M865 6.50mm, .020" 11.1:1, 5cc
K634M87 87.00mm, .040" 11.2:1, 5cc
K634M75 87.50mm, .060"  11.3:1, 5cc
K634M88 88.00mm, .080" 11.4:1, 5cc
K634M89 89.00mm, .120" 11.6:1, 5cc
     

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K20-Piston-Rod-Set