[Complete engine RB26DETT 2.8L STEP2 Version 2]
Version 2 has improved intake / exhaust balance by adopting a big valve for exhaust, optimized the port shape, and cut the valve seat into an R shape to prevent the boundary layer from peeling off. Released.
Proven 2.8L STEP2 kit assembled by skilled workers on N1 block
Improves intake and exhaust efficiency by optimizing the exhaust side big valve and port shape, and measures against heat with sodium-filled type
Combustion chamber shape optimized by NC processing to suppress knocking
Super cooling head gasket and head air vent hole processing to improve head cooling
Adopts a proven large-capacity reinforced oil pump to ensure stable oil pressure in the entire rotation range
The main bearing and connecting rod bearing are subjected to numerous tests to select the optimum one.
Measures against pulling out with grommet head gasket and reinforced head bolt
Assemble a high opening camshaft to ensure high rotation elongation
Uses reinforced valve springs and titanium retainers to prevent surging at high revs
A reinforced valve stem seal is used to ensure valve sealing at high speeds and high temperatures.
Uses a separator that shuts out the oil that flows out from the cam cover together with blow-by gas.
* It is recommended to use HKS Racing Pro 10 W50 as the engine oil.
2.8L STEP2 KIT, forged piston, forged machined H section connecting rod, forged crankshaft
High-strength large-capacity oil pump
High opening camshaft ensures high rotation elongation
Slide cam pulley
Titanium valve spring retainer
Separator that stops oil outflow with multiple partitions
Change to the optimum shape to suppress NC processing and knocking of thecombustion chamber * The shape that makes the best use of squish by making the volume of the combustion chamber as small as possible
R-shaped sheet for improved efficiencyPort polished to a shape that connects smoothly to it
EX: 1mm big valvesodium enclosed type for high temperature
Specifications
HKS 2.8L KIT
genuine
Boa
87.0mm
86.0mm
stroke
77.7mm
73.7mm
Compression ratio (t = 1.2)
8.6
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Allowable rotation speed
9,000 rpm
7,600 rpm
Displacement
2,771cc
2,568cc
COMPLETE ENGINE RB26 2.8L STEP2 Version2
Camshaft STEP2
HKS IN: 264 ° / LIFT 10mm
HKS EX: 264 ° / LIFT 10mm
Blow-by separator
IN: Genuine
EX: HKS reinforced product
Cam pulley
HKS SLIDE CAM-PULLEY
Timing belt
HKS Fine Tune Timing Belt
Spring retainer
HKS titanium product
valve
IN: Genuine valve
EX: 1mm big valve (with sodium)
Valve spring
HKS reinforced product
Stem seal
HKS reinforced product
Head processing contents
Machining of combustion chamber (Version 2 specification)
Full surface polishing of port, sheet R processing
Cam escape processing
Water jacket air vent hole processing
Head gasket
HKS GROMMET S-COOLING (t = 1.2)
Head bolt
HKS reinforced bolt
Block (24U)processing content
Surface research (correction of parallelism with the main journal)
Water hole processing
Chamfering of deck surface holes (countermeasures against cracks)
Edge removal processing at the bottom of the cylinder
Bowling
Oil pump
HKS reinforced product
piston
HKS forged products
Connecting rod
HKS H cross section
Crankshaft
HKS forged product
Main bearing
ACL
Connecting rod bearing
ACL
Covers
Changed to a dark metal color that can express a more glossy luster
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