V3 Street Series Air / Oil Separator (AOS) For 2022 + WRX (Red) - IAG Performance IAG-ENG-7183RD
$499.99
JGJS_IAG-ENG-7183RD
Cylinder Block Components
Engine
Engine Oil Separator
The IAG Performance V3 Street Series Air / Oil separator (AOS) is an excellent investment to keep your Subaru vehicle running well. The Street...
V3 Street Series Air / Oil Separator (AOS) (Neon Yellow) - IAG Performance IAG-ENG-7183NY
$499.99
JGJS_IAG-ENG-7183NY
Cylinder Block Components
Engine
Engine Oil Separator
The IAG Performance V3 Street Series Air / Oil separator (AOS) is an excellent investment to keep your Subaru vehicle running well. The Street...
IAG 750 EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 750BHP - IAG Performance IAG-ENG-S750IH
$5,399.99
$5,099.99
JGJS_IAG-ENG-S750IH
Cylinder Block Components
Engine
Engine Short Block
The IAG 750 Short Block starts with brand new Subaru 2.5L engine case halves. Our machinists machine the assembled case halves in our Haas...
IAG 950 CNC Ported Race D25 Cylinder Head - GSC S2 Cams & Kelford Bucket Lifters - IAG Performance IAG-ENG-H950DL
$6,599.99
JGJS_IAG-ENG-H950DL
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 950 CNC Ported Race Cylinder Heads are designed for racing and competition. These fully CNC ported heads provide a significant upgrade in...
IAG 800 CNC Pocket Ported Comp Cyl Head - No Cams, Towers, Lifters or Rockers - IAG Performance IAG-ENG-H800E
$3,999.99
JGJS_IAG-ENG-H800E
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 800 CNC Pocket Ported Competition Cylinder Heads are designed with the weekend racer in mind. These CNC pocket ported heads provide a...
IAG 950 CNC Ported Race N25 Cylinder Head - No Cams & Lifters - IAG Performance IAG-ENG-H950NE
$4,899.99
JGJS_IAG-ENG-H950NE
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 950 CNC Ported Race Cylinder Heads are designed for racing and competition. These fully CNC ported heads provide a significant upgrade in...
IAG 1000 CNC Ported Drag AW20 Cylinder Head - Kelford B 280 Cams - IAG Performance IAG-ENG-H100L
$7,699.99
JGJS_IAG-ENG-H100L
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 1000 CNC Ported Drag Cylinder Heads are designed for drag racing and competition. These fully CNC ported heads provide a significant upgrade...
IAG 800 FA20 Subaru Closed Deck Short Block Standard Compression - 800 BHP - IAG Performance IAG-ENG-S886H
$6,299.99
JGJS_IAG-ENG-S886H
Cylinder Block Components
Engine
Engine Short Block
The IAG 800 Short Block is designed for modified FA20 Subaru BRZs or FT86s that need a stronger short block to support increased cylinder...
IAG 1150 CNC Ported Drag S20 Cyl Head - Com Mod/GSC S2 Cams/Kelford Lifters - IAG Performance IAG-ENG-H115SCL2
$7,999.99
JGJS_IAG-ENG-H115SCL2
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 1150 CNC Ported Drag Cylinder Heads are designed for drag racing and competition. These fully CNC ported heads provide a significant upgrade...
IAG 950 CNC Ported Race N25 Cylinder Head - GSC S2 Cams & Kelford Bucket Lifters - IAG Performance IAG-ENG-H950NL
$6,599.99
JGJS_IAG-ENG-H950NL
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 950 CNC Ported Race Cylinder Heads are designed for racing and competition. These fully CNC ported heads provide a significant upgrade in...
IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 N Heads/ GSC S2 Cams - IAG Performance IAG-ENG-L115N2
$18,200.00
JGJS_IAG-ENG-L115N2
Cylinder Block Components
Engine
Engine Long Block
The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. The Long...
IAG 750 CNC Pocket Ported W25 Comp Cylinder Head - GSC S1 Cam & Lifters - IAG Performance IAG-ENG-H750WL
$5,999.99
JGJS_IAG-ENG-H750WL
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 750 CNC Pocket Ported Competition Cylinder Heads are designed with the weekend racer in mind. These heads work great for cars with...
IAG 1150 CNC Ported Drag W25 Cylinder Head - GSC S2 Cam & Kelford Lifters - IAG Performance IAG-ENG-H115WL2
$7,799.99
JGJS_IAG-ENG-H115WL2
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 1150 CNC Ported Drag Cylinder Heads are designed for drag racing and competition. These fully CNC ported heads provide a significant upgrade...
IAG 1150 CNC Ported Drag V25 Cylinder Head - GSC S3 Cams & Kelford Lifters - IAG Performance IAG-ENG-H115VL3
$7,799.99
JGJS_IAG-ENG-H115VL3
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 1150 CNC Ported Drag Cylinder Heads are designed for drag racing and competition. These fully CNC ported heads provide a significant upgrade...
IAG 600 Street AW20 Cylinder Head - Kelford EZ Cams - IAG Performance IAG-ENG-H600L
$5,799.99
JGJS_IAG-ENG-H600L
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 600 Cylinder Heads are designed to function as an entry-level replacement for stock OEM 2015-2021 Subaru WRX heads. If your engine has...
IAG 1150 EJ25 Closed Deck Case - No Bore & Hone / 14mm H.S.M. - IAG Performance IAG-ENG-C115
$4,359.99
JGJS_IAG-ENG-C115
Cylinder Block Components
Engine
Engine Block
It's no secret that the OEM Subaru case halves, or "block," aren't exactly the strongest. IAG has developed a process to greatly improve the...
IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 W Heads / GSC S3 Cams - IAG Performance IAG-ENG-L115W3
$18,200.00
JGJS_IAG-ENG-L115W3
Cylinder Block Components
Engine
Engine Long Block
The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. The Long...
IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 N Heads / GSC S3 Cams - IAG Performance IAG-ENG-L115N3
$18,200.00
JGJS_IAG-ENG-L115N3
Cylinder Block Components
Engine
Engine Long Block
The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. The Long...
IAG 550 Long Block Engine w/ IAG 550 W Heads for 2008-18 STI - IAG Performance IAG-ENG-L550W
$9,799.99
$9,499.99
JGJS_IAG-ENG-L550W
Cylinder Block Components
Engine
Engine Long Block
The IAG Performance Hand-Built 550 Subaru EJ25 Long Block Packages are a complete, valve cover to valve cover, crate engine. The Long Blocks feature...
IAG 1150 CNC Ported Drag S20 Cylinder Head - No Cams / Lifters - IAG Performance IAG-ENG-H115SE
$5,799.99
JGJS_IAG-ENG-H115SE
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 1150 CNC Ported Drag Cylinder Heads are designed for drag racing and competition. These fully CNC ported heads provide a significant upgrade...
IAG 750 EJ25 Closed Deck Case - w/ Bore & Hone / 11mm H.S.M - IAG Performance IAG-ENG-C750BH
$2,949.99
JGJS_IAG-ENG-C750BH
Cylinder Block Components
Engine
Engine Block
It's no secret that the OEM Subaru case halves, or "block," aren't exactly the strongest. IAG has developed a process to greatly improve the...
IAG 1150 CNC Ported Drag N25 Cylinder Head - GSC S2 Cams & Kelford Lifters - IAG Performance IAG-ENG-H115NL2
$7,799.99
JGJS_IAG-ENG-H115NL2
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 1150 CNC Ported Drag Cylinder Heads are designed for drag racing and competition. These fully CNC ported heads provide a significant upgrade...
IAG 1150 CNC Ported Drag D25 Cylinder Head - GSC S3 Cams & Kelford Lifters - IAG Performance IAG-ENG-H115DL3
$7,799.99
JGJS_IAG-ENG-H115DL3
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 1150 CNC Ported Drag Cylinder Heads are designed for drag racing and competition. These fully CNC ported heads provide a significant upgrade...
IAG 800 FA20 DIT Closed Deck Long Block Engine w/ IAG 800 Heads - IAG Performance IAG-ENG-L800
$18,500.00
JGJS_IAG-ENG-L800
Cylinder Block Components
Engine
Engine Long Block
The IAG Performance Hand-Built 800 Subaru FA20F (DIT) is a great choice for those looking to get more out of their modified WRX. Each...
IAG 950 EJ20 Subaru Closed Deck Short Block For 2002-05 WRX - 950 BHP - IAG Performance IAG-ENG-S955
$5,999.99
JGJS_IAG-ENG-S955
Cylinder Block Components
Engine
Engine Short Block
The IAG 950 EJ20 Short Block is the ultimate "weekend racer" block. Built to withstand up to 950 BHP, this is our strongest "Street"...
IAG 750 Closed Deck Long Block Engine w/ IAG 750 N Heads - IAG Performance IAG-ENG-L750N
$12,500.00
JGJS_IAG-ENG-L750N
Cylinder Block Components
Engine
Engine Long Block
The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. The Long...
IAG 550 2.5L Subaru Short Block for WRX, STI, Legacy GT, Forester XT - 550 BHP - IAG Performance IAG-ENG-S550
$3,999.99
JGJS_IAG-ENG-S550
Cylinder Block Components
Engine
Engine Short Block
The IAG 550 Short Block is designed for modified EJ25 Subarus that need a stronger short block to support increased cylinder pressures created by...
IAG 750 CNC Pocket Ported V25 Comp Cylinder Head - GSC S1 Cams & Lifters - IAG Performance IAG-ENG-H750VL
$5,999.99
JGJS_IAG-ENG-H750VL
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 750 CNC Pocket Ported Competition Cylinder Heads are designed with the weekend racer in mind. These heads work great for cars with...
IAG 1150 EJ25 Closed Deck Case - w/ Bore & Hone / 14mm H.S.M - IAG Performance IAG-ENG-C115BH
$4,699.99
JGJS_IAG-ENG-C115BH
Cylinder Block Components
Engine
Engine Block
It's no secret that the OEM Subaru case halves, or "block," aren't exactly the strongest. IAG has developed a process to greatly improve the...
IAG 750 CNC Pocket Ported D25 Comp Cylinder Head - GSC S1 Cams & Lifters - IAG Performance IAG-ENG-H750DL
$5,999.99
JGJS_IAG-ENG-H750DL
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 750 CNC Pocket Ported Competition Cylinder Heads are designed with the weekend racer in mind. These heads work great for cars with...
IAG 800 CNC Pocket Ported AW20 Comp Cylinder Head - Kelford A 272 Cams - IAG Performance IAG-ENG-H800L
$6,799.99
JGJS_IAG-ENG-H800L
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 800 CNC Pocket Ported Competition Cylinder Heads are designed with the weekend racer in mind. These CNC pocket ported heads provide a...
IAG 950 EJ25 Closed Deck Case - No Bore & Hone / 14mm H.S.M - IAG Performance IAG-ENG-C950
$3,049.99
JGJS_IAG-ENG-C950
Cylinder Block Components
Engine
Engine Block
It's no secret that the OEM Subaru case halves, or "block," aren't exactly the strongest. IAG has developed a process to greatly improve the...
IAG 750 CNC Pocket Ported N25 Comp Cylinder Head - GSC S1 Cams & Lifters - IAG Performance IAG-ENG-H750NL
$5,999.99
JGJS_IAG-ENG-H750NL
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 750 CNC Pocket Ported Competition Cylinder Heads are designed with the weekend racer in mind. These heads work great for cars with...
IAG 800 FA20 DIT Subaru Closed Deck Short Block for 2015-21 WRX - 800 BHP - IAG Performance IAG-ENG-S800
$6,299.99
JGJS_IAG-ENG-S800
Cylinder Block Components
Engine
Engine Short Block
The IAG 800 Short Block is designed for modified FA20 DIT Subaru WRXs that need a stronger short block to support increased cylinder pressures...
IAG 950 CNC Ported Race S20 Cylinder Head - GSC S2 Cams & Kelford Bucket Lifters - IAG Performance IAG-ENG-H950SL
$6,599.99
JGJS_IAG-ENG-H950SL
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 950 CNC Ported Race Cylinder Heads are designed for racing and competition. These fully CNC ported heads provide a significant upgrade in...
IAG 950 CNC Ported Race V25 Cylinder Head - GSC S2 Cams & Kelford Bucket Lifters - IAG Performance IAG-ENG-H950VL
$6,599.99
JGJS_IAG-ENG-H950VL
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 950 CNC Ported Race Cylinder Heads are designed for racing and competition. These fully CNC ported heads provide a significant upgrade in...
