Subaru

Subaru WRX 2.5 EJ25 EJ257 Athena Cooper Ring cylinder head gasket set...

Athena Racing 330 series Cooper Ring cylinder head gasket set.
For specific high horsepower applications, engine performance can be significantly improved by using Athena Cooper Ring gaskets, that are supplied with INOX steel ring. This technology outperforms conventional fire ring solutions.
Cooper Rings are oversize (also fits for oversize bores).
Part number: 330040R (2 pcs.)
Gasket thickness: 1.20mm
Bore size: 100.00mm

Part number starting with 330
Athena advantages
Reinforced material	Asbestos free composite raw material OE approved
Stainless steel ring (AISI304)	Separate stainless steel rings assure maximum sealing around cylinder bore also on NOS and/or turbo charged engine where boost is over 2 bars. No head and block machining required
Silicon beading	Silicon-based beading is applied on critical areas to improve sealing around all cooling water and oil passages

€279.00

Subaru WRX 2.5 EJ25 EJ257 Athena Cooper Ring cylinder head gasket set...

Athena Racing 330 series Cooper Ring cylinder head gasket set.
For specific high horsepower applications, engine performance can be significantly improved by using Athena Cooper Ring gaskets, that are supplied with INOX steel ring. This technology outperforms conventional fire ring solutions.
Cooper Rings are oversize (also fits for oversize bores).
Part number: 330066R (2 pcs.)
Gasket thickness: 1.20mm
Bore size: 101.30mm

Part number starting with 330
Athena advantages
Reinforced material	Asbestos free composite raw material OE approved
Stainless steel ring (AISI304)	Separate stainless steel rings assure maximum sealing around cylinder bore also on NOS and/or turbo charged engine where boost is over 2 bars. No head and block machining required
Silicon beading	Silicon-based beading is applied on critical areas to improve sealing around all cooling water and oil passages

€279.00

Subaru WRX 2.5 16V EJ257 JE Pistons CR 8.5 99.75mm 296348

Product detailed specification
Bore size	99.75mm
Stroke	79.00mm
JE Pistons compression ratio (CR)	8.5:1
OEM compression ratio (CR)	8.0:1
Dome volume (CC)	-16.9cm³
Compression height (CH)	30.70mm
Pin diameter	23mm
Features	Accepts Turbo and Nitrous; FSR series Skirt
Fits for	Subaru Impreza WRX STI - 2.5 16V (EJ257)

€899.01

Subaru WRX 2.5 16V EJ257 JE Pistons Ultra Series CR 9.5 99.75mm 361331

Product detailed specification
Bore size	99.75mm
Stroke	79.00mm
JE Pistons compression ratio (CR)	9.5:1
OEM compression ratio (CR)	8.0:1
Dome volume (CC)	-7.3cm³
Compression height (CH)	30.70mm
Pin diameter	23mm
Features	Accepts Turbo and Nitrous; FSR series Skirt, Ultra series
Fits for	Subaru Impreza WRX STI - 2.5 16V (EJ257)

€1,069.00

Subaru WRX STI 2.5 EJ257 Mahle pistons 99.50mm CR 9.0 930285217

Bore size	99.50mm
Stroke	79.00mm
Mahle compression ratio (CR)	9.0:1 - 56cc cylinder head 9.6:1 - 50cc cylinder head
OEM compression ratio (CR)	8.0:1
Dome volume (CC)	-14.1cm³
Compression height (CH)	30.70mm
Pin diameter	23mm
Fits for	Subaru WRX STI 2.5 (EJ257)

€799.00

Subaru WRX STI 2.5 EJ257 Mahle pistons 99.75mm CR 9.0 930285227

Bore size	99.75mm
Stroke	79.00mm
Mahle compression ratio (CR)	9.0:1 - 56cc cylinder head 9.7:1 - 50cc cylinder head
OEM compression ratio (CR)	8.0:1
Dome volume (CC)	-14.1cm³
Compression height (CH)	30.70mm
Pin diameter	23mm
Fits for	Subaru WRX STI 2.5 (EJ257)

€799.00

Subaru WRX STI 2.5 EJ257 Mahle pistons 99.50mm CR 8.5 930285017

Bore size	99.50mm
Stroke	79.00mm
Mahle compression ratio (CR)	8.5:1 - 56cc cylinder head 9.1:1 - 50cc cylinder head
OEM compression ratio (CR)	8.0:1
Dome volume (CC)	-19.25cm³
Compression height (CH)	30.70mm
Pin diameter	23mm
Fits for	Subaru WRX STI 2.5 (EJ257)

€799.00

Subaru WRX STI 2.5 EJ257 Mahle pistons 99.75mm CR 8.5 930285027

Bore size	99.75mm
Stroke	79.00mm
Mahle compression ratio (CR)	8.5:1 - 56cc cylinder head 9.1:1 - 50cc cylinder head
OEM compression ratio (CR)	8.0:1
Dome volume (CC)	-19.25cm³
Compression height (CH)	30.70mm
Pin diameter	23mm
Fits for	Subaru WRX STI 2.5 (EJ257)

€799.00

Subaru WRX STI 2.5 EJ257 Mahle pistons 100mm CR 8.5 930285037

Bore size	100.00mm
Stroke	79.00mm
Mahle compression ratio (CR)	8.5:1 - 56cc cylinder head 9.1:1 - 50cc cylinder head
OEM compression ratio (CR)	8.0:1
Dome volume (CC)	-19.25cm³
Compression height (CH)	30.70mm
Pin diameter	23mm
Fits for	Subaru WRX STI 2.5 (EJ257)

€799.00

Subaru WRX STI 2.5 EJ257 Wiseco pistons 99.50mm CR 9.0 K598M995AP

Product detailed specification
Bore size	99.50mm
Stroke	79.00mm
Wiseco compression ratio (CR)	9.0:1
OEM compression ratio (CR)	8.0:1
Dome volume (CC)	-19cm³
Compression height (CH)	30.70mm
Pin diameter	23mm
Fits for	Subaru WRX STI 2.5 (EJ257)

Armor Plated wiseco pistons have almost a bronze colored tint to the top of the piston and the wrist pin bore. Wiseco's Armor Plating is an abrasion resistant plating that raises the hardness of the aluminum, increases the durability of the ring grooves, prevents micro-welding of the piston rings, reduces carbon buildup and combats corrosion caused by detonation. Wiseco's most popular pistons now include Armor Plating.

€799.00

Subaru WRX STI 2.5 EJ257 Wiseco pistons 99.75mm CR 9.0 K598M9975AP

Product detailed specification
Bore size	99.75mm
Stroke	79.00mm
Wiseco compression ratio (CR)	9.0:1
OEM compression ratio (CR)	8.0:1
Dome volume (CC)	-19cm³
Compression height (CH)	30.70mm
Pin diameter	23mm
Fits for	Subaru WRX STI 2.5 (EJ257)

Armor Plated wiseco pistons have almost a bronze colored tint to the top of the piston and the wrist pin bore. Wiseco's Armor Plating is an abrasion resistant plating that raises the hardness of the aluminum, increases the durability of the ring grooves, prevents micro-welding of the piston rings, reduces carbon buildup and combats corrosion caused by detonation. Wiseco's most popular pistons now include Armor Plating.

€799.00

Subaru WRX STI 2.5 EJ257 Wiseco pistons 100mm CR 9.0 K598M100AP

Product detailed specification
Bore size	100mm
Stroke	79.00mm
Wiseco compression ratio (CR)	9.0:1
OEM compression ratio (CR)	8.0:1
Dome volume (CC)	-19cm³
Compression height (CH)	30.70mm
Pin diameter	23mm
Fits for	Subaru WRX STI 2.5 (EJ257)

Armor Plated wiseco pistons have almost a bronze colored tint to the top of the piston and the wrist pin bore. Wiseco's Armor Plating is an abrasion resistant plating that raises the hardness of the aluminum, increases the durability of the ring grooves, prevents micro-welding of the piston rings, reduces carbon buildup and combats corrosion caused by detonation. Wiseco's most popular pistons now include Armor Plating.

€799.00