Cylinder Block Components

IAG Performance IAG-ENG-3045SS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts S20 Casting

IAG Performance IAG-ENG-3045SS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts S20 Casting

Regular price $5,999.99 USD

Regular price ~~$5,999.99 USD~~ Sale price $5,999.99 USD
Unit price per
IAG Performance IAG-ENG-3045SCS3 Stage 4 CNC Ported Heads w/CM w/+1mm GSC Valves & GSC S3 Cams S20 Casting

IAG Performance IAG-ENG-3045SCS3 Stage 4 CNC Ported Heads w/CM w/+1mm GSC Valves & GSC S3 Cams S20 Casting

Regular price $6,199.99 USD

Regular price ~~$6,199.99 USD~~ Sale price $6,199.99 USD
Unit price per
IAG Performance IAG-ENG-3045SCS2 Stage 4 CNC Ported Heads w/CM w/ +1mm GSC Valves & GSC S2 Camshafts S20 Castings

IAG Performance IAG-ENG-3045SCS2 Stage 4 CNC Ported Heads w/CM w/ +1mm GSC Valves & GSC S2 Camshafts S20 Castings

Regular price $6,199.99 USD

Regular price ~~$6,199.99 USD~~ Sale price $6,199.99 USD
Unit price per
IAG Performance IAG-ENG-3045NS3 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S3 Camshafts N25 Casting

IAG Performance IAG-ENG-3045NS3 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S3 Camshafts N25 Casting

Regular price $6,299.99 USD

Regular price ~~$6,299.99 USD~~ Sale price $6,299.99 USD
Unit price per
IAG Performance IAG-ENG-3045NS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts N25 Casting

IAG Performance IAG-ENG-3045NS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts N25 Casting

Regular price $6,299.99 USD

Regular price ~~$6,299.99 USD~~ Sale price $6,299.99 USD
Unit price per
IAG Performance IAG-ENG-3045DS3 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S3 Camshafts D25 Casting

IAG Performance IAG-ENG-3045DS3 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S3 Camshafts D25 Casting

Regular price $6,299.99 USD

Regular price ~~$6,299.99 USD~~ Sale price $6,299.99 USD
Unit price per
IAG Performance IAG-ENG-3045DS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts D25 Casting

IAG Performance IAG-ENG-3045DS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts D25 Casting

Regular price $6,299.99 USD

Regular price ~~$6,299.99 USD~~ Sale price $6,299.99 USD
Unit price per
IAG Performance IAG-ENG-3035WS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams W25 Casting

IAG Performance IAG-ENG-3035WS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams W25 Casting

Regular price $5,499.99 USD

Regular price ~~$5,499.99 USD~~ Sale price $5,499.99 USD
Unit price per
IAG Performance IAG-ENG-3035VS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams 25 Casting

IAG Performance IAG-ENG-3035VS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams 25 Casting

Regular price $5,499.99 USD

Regular price ~~$5,499.99 USD~~ Sale price $5,499.99 USD
Unit price per
IAG Performance IAG-ENG-3035SS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams S20 Casting

IAG Performance IAG-ENG-3035SS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams S20 Casting

Regular price $5,499.99 USD

Regular price ~~$5,499.99 USD~~ Sale price $5,499.99 USD
Unit price per
IAG Performance IAG-ENG-3035SCS2 Stage 3 Pocket Ported Heads CM w/+1mm GSC Valves & GSC S2 Cams S20 Casting

IAG Performance IAG-ENG-3035SCS2 Stage 3 Pocket Ported Heads CM w/+1mm GSC Valves & GSC S2 Cams S20 Casting

Regular price $5,699.99 USD

Regular price ~~$5,699.99 USD~~ Sale price $5,699.99 USD
Unit price per
IAG Performance IAG-ENG-3035NS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams N25 Casting

IAG Performance IAG-ENG-3035NS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams N25 Casting

Regular price $5,499.99 USD

Regular price ~~$5,499.99 USD~~ Sale price $5,499.99 USD
Unit price per
IAG Performance IAG-ENG-3035DS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams D25 Casting

IAG Performance IAG-ENG-3035DS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams D25 Casting

Regular price $5,499.99 USD

Regular price ~~$5,499.99 USD~~ Sale price $5,499.99 USD
Unit price per
IAG Performance IAG-ENG-3030SC Stage 3 Pocket Ported Heads w/CM/+1mm Valves S20 Casting(Cams/Lifters Sold Sep)

IAG Performance IAG-ENG-3030SC Stage 3 Pocket Ported Heads w/CM/+1mm Valves S20 Casting(Cams/Lifters Sold Sep)

Regular price $3,829.99 USD

Regular price ~~$3,829.99 USD~~ Sale price $3,829.99 USD
Unit price per
IAG Performance IAG-ENG-3030S Stage 3 Pocket Ported Heads w/+1mm GSC Valves S20 Casting(Cams/Lifters Sold Sep)

IAG Performance IAG-ENG-3030S Stage 3 Pocket Ported Heads w/+1mm GSC Valves S20 Casting(Cams/Lifters Sold Sep)

Regular price $3,629.99 USD

Regular price ~~$3,629.99 USD~~ Sale price $3,629.99 USD
Unit price per
IAG Performance IAG-ENG-3025WS2 IAG Stage 2 Pocket Ported Heads w/ GSC S2 Cams for 08-17 STI W25 Casting.

IAG Performance IAG-ENG-3025WS2 IAG Stage 2 Pocket Ported Heads w/ GSC S2 Cams for 08-17 STI W25 Casting.

Regular price $5,169.99 USD

Regular price ~~$5,169.99 USD~~ Sale price $5,169.99 USD
Unit price per

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Collection: Cylinder Block Components

IAG Performance IAG-ENG-3045SS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts S20 Casting

IAG Performance IAG-ENG-3045SS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts S20 Casting

IAG Performance IAG-ENG-3045SCS3 Stage 4 CNC Ported Heads w/CM w/+1mm GSC Valves & GSC S3 Cams S20 Casting

IAG Performance IAG-ENG-3045SCS3 Stage 4 CNC Ported Heads w/CM w/+1mm GSC Valves & GSC S3 Cams S20 Casting

IAG Performance IAG-ENG-3045SCS2 Stage 4 CNC Ported Heads w/CM w/ +1mm GSC Valves & GSC S2 Camshafts S20 Castings

IAG Performance IAG-ENG-3045SCS2 Stage 4 CNC Ported Heads w/CM w/ +1mm GSC Valves & GSC S2 Camshafts S20 Castings

IAG Performance IAG-ENG-3045NS3 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S3 Camshafts N25 Casting

IAG Performance IAG-ENG-3045NS3 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S3 Camshafts N25 Casting

IAG Performance IAG-ENG-3045NS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts N25 Casting

IAG Performance IAG-ENG-3045NS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts N25 Casting

IAG Performance IAG-ENG-3045DS3 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S3 Camshafts D25 Casting

IAG Performance IAG-ENG-3045DS3 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S3 Camshafts D25 Casting

IAG Performance IAG-ENG-3045DS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts D25 Casting

IAG Performance IAG-ENG-3045DS2 Stage 4 CNC Ported Heads w/ +1mm GSC Valves & GSC S2 Camshafts D25 Casting

IAG Performance IAG-ENG-3035WS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams W25 Casting

IAG Performance IAG-ENG-3035WS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams W25 Casting

IAG Performance IAG-ENG-3035VS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams 25 Casting

IAG Performance IAG-ENG-3035VS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams 25 Casting

IAG Performance IAG-ENG-3035SS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams S20 Casting

IAG Performance IAG-ENG-3035SS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams S20 Casting

IAG Performance IAG-ENG-3035SCS2 Stage 3 Pocket Ported Heads CM w/+1mm GSC Valves & GSC S2 Cams S20 Casting

IAG Performance IAG-ENG-3035SCS2 Stage 3 Pocket Ported Heads CM w/+1mm GSC Valves & GSC S2 Cams S20 Casting

IAG Performance IAG-ENG-3035NS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams N25 Casting

IAG Performance IAG-ENG-3035NS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams N25 Casting

IAG Performance IAG-ENG-3035DS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams D25 Casting

IAG Performance IAG-ENG-3035DS2 Stage 3 Pocket Ported Heads w/ +1mm GSC Valves & GSC S2 Cams D25 Casting

IAG Performance IAG-ENG-3030SC Stage 3 Pocket Ported Heads w/CM/+1mm Valves S20 Casting(Cams/Lifters Sold Sep)

IAG Performance IAG-ENG-3030SC Stage 3 Pocket Ported Heads w/CM/+1mm Valves S20 Casting(Cams/Lifters Sold Sep)

IAG Performance IAG-ENG-3030S Stage 3 Pocket Ported Heads w/+1mm GSC Valves S20 Casting(Cams/Lifters Sold Sep)

IAG Performance IAG-ENG-3030S Stage 3 Pocket Ported Heads w/+1mm GSC Valves S20 Casting(Cams/Lifters Sold Sep)

IAG Performance IAG-ENG-3025WS2 IAG Stage 2 Pocket Ported Heads w/ GSC S2 Cams for 08-17 STI W25 Casting.

IAG Performance IAG-ENG-3025WS2 IAG Stage 2 Pocket Ported Heads w/ GSC S2 Cams for 08-17 STI W25 Casting.