IAG 950 Closed Deck Long Block Engine w/ IAG 950 S Heads - EJ20 - IAG Performance IAG-ENG-L955S
$13,900.00
$13,000.00
JGJS_IAG-ENG-L955S
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...
IAG 1150 CNC Ported Drag D25 Cylinder Head - No Cams & Lifters - IAG Performance IAG-ENG-H115DE
$6,099.99
JGJS_IAG-ENG-H115DE
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 CNC Pocket Ported S20 Comp Cylinder Head - Com Mod/GSC S1 Cams & Lifters - IAG Performance IAG-ENG-H750SCL
$5,899.99
JGJS_IAG-ENG-H750SCL
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 950 CNC Ported Race S20 Cylinder Head - Combustion Mod, No Cams/Lifters - IAG Performance IAG-ENG-H950SCE
$5,099.99
JGJS_IAG-ENG-H950SCE
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 W25 Cylinder Head - No Cams & Lifters - IAG Performance IAG-ENG-H950WE
$4,599.99
JGJS_IAG-ENG-H950WE
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 N Heads for 2018+ STI RA, 2019+ STI & S209 - IAG Performance IAG-ENG-L550N
$9,799.99
JGJS_IAG-ENG-L550N
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 Closed Deck Long Block Engine w/ IAG 750 S Heads - IAG Performance IAG-ENG-L750SC
$12,700.00
JGJS_IAG-ENG-L750SC
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 S3 Cams - IAG Performance IAG-ENG-L115SC3
$17,699.99
JGJS_IAG-ENG-L115SC3
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 EJ25 Closed Deck Case - No Bore & Hone / 11mm H.S.M. - IAG Performance IAG-ENG-C750
$2,699.99
JGJS_IAG-ENG-C750
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 600 FA20 DIT Long Block Engine w/ IAG 600 Heads for 2015-21 Subaru WRX - IAG Performance IAG-ENG-L600
$14,499.99
JGJS_IAG-ENG-L600
Cylinder Block Components
Engine
Engine Long Block
The IAG Performance Hand-Built 600 Subaru FA20F (DIT) Long Block Package is a complete, valve cover to valve cover, timed, crate engine. These engines...
IAG 750 CNC Pocket Ported D25 Comp Cylinder Head - No Cams & Lifters - IAG Performance IAG-ENG-H750DE
$3,799.99
JGJS_IAG-ENG-H750DE
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 950 Closed Deck Long Block Engine w/ IAG 950 D Heads - IAG Performance IAG-ENG-L950D
$13,700.00
JGJS_IAG-ENG-L950D
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 EJ20 Closed Deck Case - No Bore & Hone / 14mm H.S.M - IAG Performance IAG-ENG-C955
$3,399.99
JGJS_IAG-ENG-C955
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 600 FA20 DIT Subaru Short Block for 2015-21 WRX - 600 BHP - IAG Performance IAG-ENG-S600
$5,099.99
JGJS_IAG-ENG-S600
Cylinder Block Components
Engine
Engine Short Block
The IAG 600 Short Block is designed for stock or modified FA20 DIT Subaru WRXs that need a stronger bottom end to support increased...
IAG 950 Closed Deck Long Block Engine w/ IAG 950 S Heads - IAG Performance IAG-ENG-L950SC
$13,900.00
JGJS_IAG-ENG-L950SC
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 N25 Cylinder Head - GSC S3 Cams & Kelford Lifters - IAG Performance IAG-ENG-H115NL3
$7,499.99
JGJS_IAG-ENG-H115NL3
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 Closed Deck Long Block Engine w/ IAG 750 W Heads for 2008-18 STI - IAG Performance IAG-ENG-L750W
$12,500.00
JGJS_IAG-ENG-L750W
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 Closed Deck Case Half Set - w/ Bore & Hone - IAG Performance IAG-ENG-C886BH
$3,349.99
JGJS_IAG-ENG-C886BH
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 - w/ Bore & Hone / 11mm H.S.M - IAG Performance IAG-ENG-C755BH
$2,949.99
JGJS_IAG-ENG-C755BH
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 D Heads / GSC S2 Cams - IAG Performance IAG-ENG-L115D2
$18,200.00
JGJS_IAG-ENG-L115D2
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 S20 Cylinder Head - GSC S3 Cams & Kelford Lifters - IAG Performance IAG-ENG-H115SL3
$7,799.99
JGJS_IAG-ENG-H115SL3
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 S20 Cylinder Head - Com Mod/GSC S2 Cams/Kelford Lifters - IAG Performance IAG-ENG-H950SCL
$6,799.99
JGJS_IAG-ENG-H950SCL
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 FA20 Closed Deck Case Half Set - No Bore & Hone - IAG Performance IAG-ENG-C886
$2,999.99
JGJS_IAG-ENG-C886
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 950 EJ20 Closed Deck Case - w/ Bore & Hone / 14mm H.S.M - IAG Performance IAG-ENG-C955BH
$3,749.99
JGJS_IAG-ENG-C955BH
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 S20 Cylinder Head - Combustion Mod, No Cams/Lifters - IAG Performance IAG-ENG-H115SCE
$5,999.99
JGJS_IAG-ENG-H115SCE
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 V25 Cylinder Head - No Cams & Lifters - IAG Performance IAG-ENG-H950VE
$4,899.99
JGJS_IAG-ENG-H950VE
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 750 CNC Pocket Ported S20 Comp Cylinder Head - GSC S1 Cams & Lifters - IAG Performance IAG-ENG-H750SL
$5,699.99
JGJS_IAG-ENG-H750SL
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 CNC Pocket Ported S20 Comp Cylinder Head - No Cams / Lifters - IAG Performance IAG-ENG-H750SE
$4,099.99
JGJS_IAG-ENG-H750SE
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 550 Street V25 Cylinder Heads (No Cams & Lifters) - IAG Performance IAG-ENG-H550VE
$2,999.99
JGJS_IAG-ENG-H550VE
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 550 Cylinder Heads are designed to function as an entry-level replacement for stock OEM heads. If your engine has suffered a catastrophic...
IAG 550 Street N25 Cylinder Heads - GSC S1 Cams & Lifters - IAG Performance IAG-ENG-H550NL
$4,999.99
JGJS_IAG-ENG-H550NL
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 550 Cylinder Heads are designed to function as an entry-level replacement for stock OEM heads. If your engine has suffered a catastrophic...
IAG 550 Street W25 Cylinder Heads Package (No Cams & Lifters) for 08-18 STI - IAG Performance IAG-ENG-H550WE
$3,299.99
JGJS_IAG-ENG-H550WE
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 550 Cylinder Heads are designed to function as an entry-level replacement for stock OEM heads. If your engine has suffered a catastrophic...
IAG 550 Street N25 Cylinder Heads (No Cams & Lifters) - IAG Performance IAG-ENG-H550NE
$3,299.99
JGJS_IAG-ENG-H550NE
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 550 Cylinder Heads are designed to function as an entry-level replacement for stock OEM heads. If your engine has suffered a catastrophic...
IAG 550 Street D25 Cylinder Heads - GSC S1 Cams & Lifters - IAG Performance IAG-ENG-H550DL
$4,999.99
JGJS_IAG-ENG-H550DL
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 550 Cylinder Heads are designed to function as an entry-level replacement for stock OEM heads. If your engine has suffered a catastrophic...
IAG 1150 2.5L Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 1150 BHP - IAG Performance IAG-ENG-S115
$8,999.99
JGJS_IAG-ENG-S115
Cylinder Block Components
Engine
Engine Short Block
The IAG 1150 Short Block is designed for those who plan to drag race their high horsepower Subarus regularly. While still a streetable block,...
IAG 550 Street W25 Cylinder Heads Package w/ GSC S1 Cam & Lifters for 08-18 STI - IAG Performance IAG-ENG-H550WL
$4,999.99
JGJS_IAG-ENG-H550WL
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 550 Cylinder Heads are designed to function as an entry-level replacement for stock OEM heads. If your engine has suffered a catastrophic...
IAG 550 Street D25 Cylinder Heads (No Cams & Lifters) - IAG Performance IAG-ENG-H550DE
$2,999.99
JGJS_IAG-ENG-H550DE
Engine
Engine Cylinder Head Set
Gaskets and Sealing Systems
The IAG 550 Cylinder Heads are designed to function as an entry-level replacement for stock OEM heads. If your engine has suffered a catastrophic...
