$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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5 Results Found For "runners"

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Results 1 - 5 of 5

On Sale

AFR 175cc Small Block Mopar Blue Hornet Heads

AFR 175cc Small Block Mopar Blue Hornet cylinder heads, part of their Performance lineup, feature an "as cast" surface on the intake and exhaust runners, as well as the combustion chamber for optimal performance, and an enhanced water jet design to ensure superior cooling in crucial areas. These innovative heads offer exceptional value, available as a "no parts" head or fully assembled with the premium components found in AFR's top-tier cylinder heads. They are a perfect choice for anyone looking to upgrade from factory iron pieces. Select the AFR Mopar head(s) preferred.

4.0 out of 5 stars ( 1 )

$627.90

On Sale

AFR 185cc SBF Enforcer Cylinder Heads

Airflow Research developed these 185cc SBF Enforcer cylinder heads for maximum small block Ford performance. They're manufactured from tough but lightweight A356 aluminum and feature 185cc intake runners and 64cc combustion chambers. Enforcer heads feature a 0.325 in. deck, stock valve locations, and are designed for blocks with a minimum bore of 4.000 in. The heads are available bare or fully assembled with stud mount rocker mounting.

4.52 out of 5 stars ( 21 )

$767.55


$690.80

On Sale

AFR 210cc LS1 Enforcer Cylinder Heads

AFR 210cc LS1/LS2/LS6 Enforcer cylinder heads are available in standard and small bore applications. They feature Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners, and combustion chambers that allow for extremely accurate and repeatable port location/performance. The budget-friendly heads are perfect for your OEM engine operating below 6,300 rpm. Fully assembled Enforcer models include the identical components found in AFR's higher end CNC-ported cylinder heads—such as PAC Racing springs, Viton® valve seals, machined bead valve locks (not stamped), hardened spring seats, and one-piece 8mm 21 4N stainless steel valves. The heads are available without any parts for the DIY. Sold as a single piece, two heads are required per engine.

5.0 out of 5 stars ( 2 )

$780.15


$562.80

$702.14

On Sale

AFR 335cc Enforcer BBC Cylinder Heads

AFR's 335cc BBC Enforcer cylinder heads feature their Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners, and combustion chambers that allow for extremely accurate and repeatable port location/performance. These budget-friendly heads are perfect for your 509 to 540 cu.in. operating below 6,500 rpm. They come fully assembled with the identical components found in AFR's higher end CNC-ported cylinder heads—such as ARP rockers studs, PAC Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring seats, and AFR's one-piece 8mm 21 4N stainless steel valves. Order the cylinder heads recommended for your year/make and engine application.

4.0 out of 5 stars ( 5 )

$664.65

AFR Eliminator Series Intake Manifolds

AFR Eliminator Series intake manifolds are the perfect way to "eliminate" your competition! These cast aluminum performance intakes have a 23-degree manifold configuration. They're designed for standard location intake port cylinder heads. Additional coolant outlets have been added at the rear of the manifold for custom cooling systems. Eliminator intakes can be run "as cast," right out of the box; however, AFR does recommend having the runner exits be "port matched" to your particular cylinder heads for optimal performance. Additional bungs have been cast into the top of the intake runners for EFI injectors or nitrous nozzles. Multiple heights and rpm ranges are available; order the manifold recommended for your application.

4.35 out of 5 stars ( 23 )

$669.90

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