Short block for high output supercharged engine incorporating 2.2L LOW COMP KIT for FA20. Brock worked the open deck into a closed deck and strengthened it.
Closed deck processing is performed to strengthen the block (produced from a new block)
Added oil jet to cool the piston
Boring processing to 0.5 oversize to increase cylinder accuracy
Surface polishing of the deck surface
reinforced cylinder bolt
0.5 oversized dedicated low compression piston
The screw size of the head bolt has been increased to prevent the gasket from coming off when the combustion pressure rises.
*It is necessary to enlarge the head bolt through hole on the head side. It is recommended to use a separately sold grommet type gasket.
A specially designed 0.5 oversize piston is coated with a two-layer molybdenum coat to reduce friction. Con-rod bearing with excellent load capacity selected for improved durability at high torque Added oil jets for piston cooling.
HKS 2.2L KIT | genuine | |
---|---|---|
boa | 86.5mm | 86.0mm |
stroke | 90.0mm | 86.0mm |
Compression ratio (t=0.84) | 10.4 | - |
Compression ratio (t=1.24) | 10.5 | - |
displacement | 2,116cc | 1,998cc |
Block processing details | Closed deck processing |
Oil jet mounting hole processing | |
0.5 oversize boring | |
Deck surface grinding | |
main bolt | ARP Reinforced Bolt |
oil jet | 1 for each cylinder |
piston | HKS Forged Low Comp 0.5 O/S |
connecting rod | HKS forged I cross section |
Crankshaft | HKS Forged |
main bearing | Genuine + WPC |
connecting rod bearing | ACLs |
head stud | ARP 1/2” Reinforcing Bolt (Included) |
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