Closed Deck V4 Service to your block Wire Harness Connectors With the progression of turbo

With the progression of turbo technology

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We have discovered that the FA & FB engines have a flaw in the valve rocker design

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Closed Deck V4 Service to your block Wire Harness Connectors With the progression of turboThis closed deck block design has been proven to withstand extreme boost levels resulting in high cylinder pressures without the worry of cracking a sleeve. The billet material that reinforces the combustion area has been further optimized with our V4 closed deck making it a far superior product to any sleeved block. With a closed deck block, the stock sleeves are still in place eliminating all risk of dropping sleeves and pushing coolant that you