This is a full set including the top quality pistons and connection rods from HKS. This kit is a perfect choice to be use with the HKS GT800 Package to properly upgrade the engine and bring out all the potential of your vehicle. Get this and all your JDM at RHDJapan!!
Brand: HKS
Product: Forged Piston Kit and Connection Rod Set Step 2 - R35
Part Number: 21004-AN017
SPECIFICATIONS:
Included:
- Pistons Kit
- Connection Rod Kit
- Piston Pins and Piston rings Set
Bore x stroke (mm): 95.5 x 88.4
Compression Rate (e): 8.7 (with HKS 0.8 Head Gasket)
Displacement (cc): 3799
- Piston -
Bore Diameter (mm): 95.5
Compression Height (mm): 34.30
Concave Portion on Top (cc): 8.01
Material: Forged (No Hollow Channel)
Reference Weight (g): 420
- Piston Pin -
Size (mm): 23x60
- Rings -
Top B Size (mm): 1.2
Sec B Size (mm): 1.2
Oil B Size (mm): 2.0 (3 Pieces Type)
- Conrod -
Small-end dia. (mm): 23
Large-end dia. (mm): 59
Center Distance (mm): 165.1
Reference Weight (g): 734.6
Bolt: M9x1.0
Capable torque: 130
PRODUCT NOTES:
- HKS recommend to use this kit with other items of the GT800 Package.
- Honing Modification: Not required
- Full-Flow Modification: Not required
FEATURES:
Parts for Higher Engine Output:
- Factory replacement type piston & connecting rods kit with the standard bore size.
- To avoid piston land breakage, HKS pistons are made with forged material instead of casting like the factory pistons. The shape of STEP2 is the same as STEP1.
- HKS In-house test at 900PS confirmed the durability and safety.
- The setting range is widened by reducing the pressure rate from 9.0 factory rate to 8.7. This is effective to increase the engine output using the aluminum block specs and/or bigger cylinder bore.
- STEP2 piston's recess is 1mm deeper than a stock to best use with the STEP2 camshaft.
Factory Replacement Type:
- The weight of the connecting rod is the same as the factory since the affect of the V6 engines peculiar vibration should be considered.
- The piston is light-weighted to approximately 25g.
- The weight is optimized to install to the factory crankshaft so it is not necessary to use a dummy weight to balance.
Higher Reliability by In-house Design & Production:
- The best 3D profile for this piston was selected after various profile tests. The forged material exclusively for HKS was used.
- With the results of in-house analysis on the factory connecting rod, the durability is improved by approx. 46% maintaining the balance.
- All parts are MADE IN JAPAN.
Product: Forged Piston Kit and Connection Rod Set Step 2 - R35
Part Number: 21004-AN017
SPECIFICATIONS:
Included:
- Pistons Kit
- Connection Rod Kit
- Piston Pins and Piston rings Set
Bore x stroke (mm): 95.5 x 88.4
Compression Rate (e): 8.7 (with HKS 0.8 Head Gasket)
Displacement (cc): 3799
- Piston -
Bore Diameter (mm): 95.5
Compression Height (mm): 34.30
Concave Portion on Top (cc): 8.01
Material: Forged (No Hollow Channel)
Reference Weight (g): 420
- Piston Pin -
Size (mm): 23x60
- Rings -
Top B Size (mm): 1.2
Sec B Size (mm): 1.2
Oil B Size (mm): 2.0 (3 Pieces Type)
- Conrod -
Small-end dia. (mm): 23
Large-end dia. (mm): 59
Center Distance (mm): 165.1
Reference Weight (g): 734.6
Bolt: M9x1.0
Capable torque: 130
PRODUCT NOTES:
- HKS recommend to use this kit with other items of the GT800 Package.
- Honing Modification: Not required
- Full-Flow Modification: Not required
FEATURES:
Parts for Higher Engine Output:
- Factory replacement type piston & connecting rods kit with the standard bore size.
- To avoid piston land breakage, HKS pistons are made with forged material instead of casting like the factory pistons. The shape of STEP2 is the same as STEP1.
- HKS In-house test at 900PS confirmed the durability and safety.
- The setting range is widened by reducing the pressure rate from 9.0 factory rate to 8.7. This is effective to increase the engine output using the aluminum block specs and/or bigger cylinder bore.
- STEP2 piston's recess is 1mm deeper than a stock to best use with the STEP2 camshaft.
Factory Replacement Type:
- The weight of the connecting rod is the same as the factory since the affect of the V6 engines peculiar vibration should be considered.
- The piston is light-weighted to approximately 25g.
- The weight is optimized to install to the factory crankshaft so it is not necessary to use a dummy weight to balance.
Higher Reliability by In-house Design & Production:
- The best 3D profile for this piston was selected after various profile tests. The forged material exclusively for HKS was used.
- With the results of in-house analysis on the factory connecting rod, the durability is improved by approx. 46% maintaining the balance.
- All parts are MADE IN JAPAN.
Compatibility is from maker for JDM cars only.
We don't guarantee fitment.
Always do your own research before purchase.
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Product Reviews
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“ THE CUSTOMER'S VOICE ”
RHDJapan Store Reviews
Basically (OK, totally is) the same thing as I reviewed concerning the front kit Review by Tim S
Installed these along with the front rigid collars on my Scion iM. What a huge difference these actually make. I expected something very minor but noticeable as Spoon's demonstrations didn't give a great idea to it, but these truly changed how the car feels when hitting some minor bumps in the road. You do get some feeling of pseudo-polyurethane bushings as the car does try to bounce around since the subframe is stiffened up a bit when road driving, but on track it really gives you a better feeling of connection to the asphalt. Overall fantastic.
Amazing difference Review by Tim S
Installed these along with the rear rigid collars on my Scion iM. What a huge difference these actually make. I expected something very minor but noticeable as Spoon's demonstrations didn't give a great idea to it, but these truly changed how the car feels when hitting some minor bumps in the road. You do get some feeling of pseudo-polyurethane bushings as the car does try to bounce around since the subframe is stiffened up a bit when road driving, but on track it really gives you a better feeling of connection to the asphalt. Overall fantastic.
Much more access Review by Tim S
Installed these on my Scion iM and with some very minor trimming they fit well and WOW the amount of extra play room that you get within the engine bay is quite surprising without the old fashioned hood support rod in your way. The price? In my opinion it's high for what you get, but the added convenience factor does help almost wash out the hit to your wallet. Overall well made and worthwhile if you're constantly tinkering under the hood.
One of the best options out there for AP1/2 Review by Markos
LOVE this countersunk knob from ARVOU. Great weight, pleasing form and feel. With the knob being countersunk, you eliminate the need for short shifter, as this compliments the stock shifter well.
A+ Review by Markos
Impressed with the quality of ARVOU goods, this installs easily and looks great. No modifications needed to install, just remove bumper, bolt in, reattach bumper.
