IAG 950 Closed Deck Long Block Engine w/ IAG 950 N Heads - IAG Performance IAG-ENG-L950N
$12,999.99
JGJS_IAG-ENG-L950N
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 800 FA20 Subaru Closed Deck Short Block Low Compression - 800 BHP - IAG Performance IAG-ENG-S886L
$6,299.99
JGJS_IAG-ENG-S886L
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 N25 Cylinder Head - No Cams & Lifters - IAG Performance IAG-ENG-H115NE
$6,099.99
JGJS_IAG-ENG-H115NE
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 W25 Cylinder Head - GSC S2 Cam & Kelford Bucket Lifters - IAG Performance IAG-ENG-H950WL
$6,599.99
JGJS_IAG-ENG-H950WL
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 550 Long Block Engine w/ IAG 550 V Heads - IAG Performance IAG-ENG-L550V
$9,799.99
JGJS_IAG-ENG-L550V
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 550 Long Block Engine w/ IAG 550 D Heads - IAG Performance IAG-ENG-L550D
$9,799.99
JGJS_IAG-ENG-L550D
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 750 EJ20 Subaru Closed Deck Short Block For 2002-05 WRX - 750 BHP - IAG Performance IAG-ENG-S755
$5,599.99
JGJS_IAG-ENG-S755
Cylinder Block Components
Engine
Engine Short Block
The IAG 750 Short Block is designed to solve the majority of common problems which plague modified EJ20 engines, especially at higher horsepower levels....
IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 W Heads/ GSC S2 Cams - IAG Performance IAG-ENG-L115W2
$18,200.00
$17,500.00
JGJS_IAG-ENG-L115W2
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 D Heads / GSC S3 Cams - IAG Performance IAG-ENG-L115D3
$18,200.00
JGJS_IAG-ENG-L115D3
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 V Heads / GSC S2 Cams - IAG Performance IAG-ENG-L115V2
$18,200.00
JGJS_IAG-ENG-L115V2
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 S Heads / GSC S2 Cams - IAG Performance IAG-ENG-L115SC2
$18,400.00
JGJS_IAG-ENG-L115SC2
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 S20 Comp Heads - Combustion Mod, No Cams/Lifters - IAG Performance IAG-ENG-H750SCE
$4,299.99
JGJS_IAG-ENG-H750SCE
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 750 Closed Deck Long Block Engine w/ IAG 750 V Heads - IAG Performance IAG-ENG-L750V
$12,500.00
JGJS_IAG-ENG-L750V
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 CNC Ported Drag V25 Cylinder Head - GSC S2 Cams & Kelford Lifters - IAG Performance IAG-ENG-H115VL2
$7,799.99
JGJS_IAG-ENG-H115VL2
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 EJ25 Closed Deck Case - w/ Bore & Hone / 14mm H.S.M - IAG Performance IAG-ENG-C950BH
$3,399.99
JGJS_IAG-ENG-C950BH
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 W25 Cylinder Head - No Cams & Lifters - IAG Performance IAG-ENG-H115WE
$6,099.99
JGJS_IAG-ENG-H115WE
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 Case Half Set - No Bore & Hone - IAG Performance IAG-ENG-C800
$2,999.99
JGJS_IAG-ENG-C800
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 550 Long Block Engine w/ IAG 550 S Heads for 2002-05 WRX - IAG Performance IAG-ENG-L550SC
$9,699.99
JGJS_IAG-ENG-L550SC
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 600 Street AW20 Cylinder Head - (No Cams, Towers, Lifters or Rockers) - IAG Performance IAG-ENG-H600E
$2,999.99
JGJS_IAG-ENG-H600E
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 750 Closed Deck Long Block Engine w/ IAG 750 D Heads - IAG Performance IAG-ENG-L750D
$12,500.00
JGJS_IAG-ENG-L750D
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 800 FA20 DIT Closed Deck Case Half Set - w/ Bore & Hone - IAG Performance IAG-ENG-C800BH
$3,349.99
JGJS_IAG-ENG-C800BH
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 EJ20 Closed Deck Case - No Bore & Hone / 11mm H.S.M - IAG Performance IAG-ENG-C755
$2,599.99
JGJS_IAG-ENG-C755
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 Closed Deck Long Block Engine w/ IAG 750 S Heads - EJ20 - IAG Performance IAG-ENG-L755S
$12,500.00
JGJS_IAG-ENG-L755S
Cylinder Block Components
Engine
Engine Long Block
The IAG Performance Hand-Built Subaru EJ20 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. The Long...
1150 CNC Ported Drag V25 Cylinder Head - No Cams & Lifters - IAG Performance IAG-ENG-H115VE
$6,099.99
JGJS_IAG-ENG-H115VE
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 Closed Deck Long Block Engine w/ IAG 950 W Heads for 2008-18 STI - IAG Performance IAG-ENG-L950W
$12,999.99
JGJS_IAG-ENG-L950W
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 1000 CNC Ported Drag Aw20 Cylinder Head - No Cams, Towers, Lifters, Rockers - IAG Performance IAG-ENG-H100E
$4,999.99
JGJS_IAG-ENG-H100E
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 1150 CNC Ported Drag D25 Cylinder Head - GSC S2 Cams & Kelford Lifters - IAG Performance IAG-ENG-H115DL2
$7,799.99
JGJS_IAG-ENG-H115DL2
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 FA20 Subaru Short Block Low Compression - 600 BHP - IAG Performance IAG-ENG-S686L
$5,099.99
JGJS_IAG-ENG-S686L
Cylinder Block Components
Engine
Engine Short Block
The IAG 600 Short Block is designed for stock or modified FA20 Subaru BRZs that need a stronger short block to support increased cylinder...
IAG 600 FA20 Short Block Standard Compression - 600 BHP - IAG Performance IAG-ENG-S686H
$4,799.99
JGJS_IAG-ENG-S686H
Cylinder Block Components
Engine
Engine Short Block
The IAG 600 Short Block is designed for stock or modified FA20 Subaru BRZs that need a stronger short block to support increased cylinder...
IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 V Heads / GSC S3 Cams - IAG Performance IAG-ENG-L115V3
$18,200.00
JGJS_IAG-ENG-L115V3
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 950 Closed Deck Long Block Engine w/ IAG 950 V Heads - IAG Performance IAG-ENG-L950V
$13,700.00
JGJS_IAG-ENG-L950V
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 950 CNC Ported Race S20 Cylinder Head - No Cams / Lifters - IAG Performance IAG-ENG-H950SE
$4,599.99
JGJS_IAG-ENG-H950SE
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 D25 Cylinder Head - No Cams & Lifters - IAG Performance IAG-ENG-H950DE
$4,899.99
JGJS_IAG-ENG-H950DE
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 CNC Ported Drag W25 Cylinder Head - GSC S3 Cam & Kelford Lifters - IAG Performance IAG-ENG-H115WL3
$7,799.99
JGJS_IAG-ENG-H115WL3
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...
1150 CNC Ported Drag S20 Cyl Head -Combustion Mod/GSC S3 Cams & Kelford Lifters - IAG Performance IAG-ENG-H115SCL3
$7,999.99
JGJS_IAG-ENG-H115SCL3
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 S20 Cylinder Head - GSC S2 Cams & Kelford Lifters - IAG Performance IAG-ENG-H115SL2
$7,499.99
JGJS_IAG-ENG-H115SL2
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...
