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ATK SBC Performance Aluminum Head 70cc/185cc
ATK SBC Performance Aluminum Head 70cc/185cc
Our Price (USD): $575.00
Sale Price: $517.50

ATK's New Casting Performance Aluminum Head, 70cc/185cc, 2.02/1.60 Valves, Hyd. Roller Springs .600 Max Lift. Our head outflows most heads in its class while keeping costs down. This is a 100% AMERICAN Cast, Machined and Assembled Head!

Use Fel Pro Intake Gaskets #1266


Lift CFM Lift CFM
0.200 130 0.200 107
0.300 195 0.300 142
0.400 240 0.400 172
0.500 260 0.500 187
0.600 265 0.600 196
0.700 270 0.700 203
0.800 272 0.800 207
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Jeep Wrangler Timing Cover 3.8L V6 OEM 2007-2011 #TC38B
Jeep Wrangler Timing Cover 3.8L V6 OEM 2007-2011 #TC38B
Our Price (USD): $775.00

ATK developed a new timing cover that covers the 2007-2011 Jeep Wrangler (JK, JKU, JKUR) 3.8L engine. It is very well known that the timing covers were defective from the factory.
TSB Number: 09-008-07 (Timing chain cover porosity). This new casting resolves the issue allowing for a leak free Jeep.

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ATK LS3/L92 As Cast Cylinder Heads Assembled 255cc
ATK LS3/L92 As Cast Cylinder Heads Assembled 255cc
Our Price (USD): $799.00

ATK's as cast cylinder heads are the perfect option for your next LS build or to be used as a factory replacement. These heads come loaded with performance parts and are setup to be used with a performance camshaft.

  • Bronze Valve Guides
  • Dual valve springs for .650" max lift
  • CNC finished faces and bolt holes for extreme accuracy
  • 355-T6 high density aluminum
  • Machined for screw in studs and guide plates
  • All factory components will fit without modification
  • Come fully assembled
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ATK 13G2 Machined LM7 5.3L Bare Block 3.903" Bore
ATK 13G2 Machined LM7 5.3L Bare Block 3.903" Bore
List Price: $950.00
Our Price (USD): $949.00

ATK's Machined GM LM7/5.3L Bare Block is a great foundation to start building a new engine. This block comes fully machined in the popular 3.903" Bore size to make an Iron LS1/LS6 and is ready to build off!

Block: GM Seasoned LM7 / 5.3L 1999-2007
Bore: Size: 3.903"
Rear Seal: 1pc
Main Caps: 6 Bolt Main
Cam Bearings: Installed
Finished Bore: Yes (Piston size vary, final hone may be needed)
Camshaft: OE Hydraulic Roller

*Can be used in place of LS1/LS6 car applications, but the accessory hole on the Driver Side for the bracket will have to be drilled and tapped. ATK does NOT offer this service.

Notes: Due to the vast selection of parts,styles/sizing of Pistons & Connecting Rods ALL clearances should be checked before final assembly. Final hone and additional connecting rod clearance may be needed.

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ATK 22J4 Machined Mopar Magnum 360 Bare Block
ATK 22J4 Machined Mopar Magnum 360 Bare Block
List Price: $950.00
Our Price (USD): $950.00

ATK's Machined Mopar Magnum 360CI Bare Block is a great foundation to start building a new engine. This block comes fully machined in a 4.040" Bore and ready to build off!

Block: Seasoned Magnum 360 Block 1993-2001
Bore: Size: 4.040"
Rear Seal: 1pc
Main Caps: 2 Bolt Main
Cam Bearings: Installed
Freeze Plugs: Brass freeze plugs
Finished Bore: Yes (Piston size vary, final hone may be needed)
Camshaft: OE Hydraulic Roller or Hydraulic Flat Tappet

Notes: Due to the vast selection of parts,styles/sizing of Pistons & Connecting Rods ALL clearances should be checked before final assembly. Final hone and additional connecting rod clearance may be needed.

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ATK 13G8 Machined LQ4 6.0L Bare Block 4.030" Bore
ATK 13G8 Machined LQ4 6.0L Bare Block 4.030" Bore
Our Price (USD): $1,299.00

***NO DISCOUNTS AVAILIBALE***

ATK's Machined GM LQ4/6.0L Bare Block is a great foundation to start building a new engine. This block comes fully machined in the popular 4.030" Bore size and is ready to build off!

Block: GM Seasoned LQ4 / 6.0L 1999-2007
Bore: Size: 4.030"
Rear Seal: 1pc
Main Caps: 6 Bolt Main
Cam Bearings: Installed
Finished Bore: Yes (Piston size vary, final hone may be needed)
Camshaft: OE Hydraulic Roller

*Can be used in place of LS1/LS6 car applications, but the accessory hole on the Driver Side for the bracket will have to be drilled and tapped. ATK does NOT offer this service.

Notes: Due to the vast selection of parts,styles/sizing of Pistons & Connecting Rods ALL clearances should be checked before final assembly. Final hone and additional connecting rod clearance may be needed.

more info