Availability
Cylinder Heads, Valve Seats, Head Bolts, Top End Kits & More
Cylinder Head, Vortec, Cast Iron, Assembled, 67cc Chamber, 175cc Intake Runner, Chevy, Small Block, Each
Part Number: SUM-151124
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
BUILD IT WITH SUMMIT!
Cylinder Head, Vortec, Cast Iron, Assembled, 64cc Chamber, 171cc Intake Runner, Small Block, Each
Part Number: SUM-151120
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Cylinder Head, GenX® 205, Competition Ported, Assembled, 58cc CNC Chambers, GM LS Vortec, Each
Part Number: TFS-30510001-C00
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ Precision Cast Chevy LS Cylinder Head SUM-162LS210CATH
Estimated Ship Date: Monday 3/30/2026
Cylinder Head, Vortec, Assembled, Cast Iron, 64cc Chamber, 170cc Intake Runner, Chevy, Small Block, Each
Part Number: NAL-12691728
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Cylinder Heads, Aluminum, Assembled, 190cc Intake, 64cc Exhaust, 65cc Chamber, Chevy, Small Block, Pair
Part Number: AFR-0912
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Cylinder Head, Early Model/Vortec, Assembled, Cast Iron, 66cc Chamber, 185cc Intake Runner, Rectangular Ports, Straight Plugs, Chevy, Small Block,Each
Part Number: NAL-19331470
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
TOP END KIT
Part Number: NAL-12558060K1
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Cylinder Heads, Assembled, Cast Iron, 64cc Chamber, 185cc Intake Runner, Straight Plug, Chevy, Small Block, Pair
Part Number: PMX-2151
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ Vortec Cast Iron Cylinder Heads SUM-151124
Estimated Ship Date: Monday 3/30/2026
Cylinder Heads, Cast Iron, Bare, 64cc Chamber, 185cc Intake Runner, Straight Plug, Chevy, Small Block, Pair
Part Number: PMX-2150
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Cylinder Head, GenX® 205, Competition Ported, Assembled, 58cc CNC Chamber, Titanium Retain, GM LS Vortec, Each
Part Number: TFS-3051T001-C00
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ Precision Cast Chevy LS Cylinder Head SUM-162LS210CATH
Estimated Ship Date: Monday 3/30/2026
Cylinder Head, Vortec, Cast Iron, 64cc Chamber, 170cc Runner, 1.940 in. Intake Valve, 1.500 in. Exhaust Valve, 0.525 in. Max Lift, Chevy, Each
Part Number: HPE-2CH4HP1
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Cylinder Head, GenX® 205, Competition Ported, Bare, 58cc CNC Chambers, GM LS Vortec, Each
Part Number: TFS-3051B001-C00
Not Yet Reviewed
Bare L29 Vortec BB Chevrolet Cast Iron Cylinder Heads
Part Number: NAL-10141280
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Cylinder Head, 200cc, Assembled, Non-Vortec Bolt Pattern, for Center or Perimeter Bolt Valve Covers, Aluminum, Natural, Chevy, Small Block, Each
Part Number: FLK-1200HRSB505S
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Cylinder Head, Iron Eagle SS, Cast Iron, Assembled, 67cc Chamber, 170cc Intake Runner, Chevy, 1996-99 Vortec 350, Each
Part Number: DRT-10024370A
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Cylinder Head, Iron Eagle SS, Cast Iron, Bare, 67cc Chamber, 170cc Intake Runner, Chevy, 1996-99 Vortec 350, Each
Part Number: DRT-10024370
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Cast Iron L31 Vortec Small Block Chevrolet Assembled Cylinder Head
Part Number: NAL-19436449
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Cylinder Head, Fast Burn, Assembled, 62cc Chamber, Rectangular Intake Port, D-port Exhaust, Cast Aluminum, Natural, Chevy, 302, 327, 350, 400, Each
Part Number: NAL-19417592
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Cylinder Head, E-Tec, Aluminum, Assembled, 64cc Chamber, 200cc Intake Runner, Chevy, 302, 327, 350, 400, Each
Part Number: EDL-60989
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Cylinder Head, E-Tec, Aluminum, Assembled, 64cc Chamber, 200cc Intake Runner, Chevy, 302, 327, 350, 400, Each
Part Number: EDL-60985
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Cylinder Heads, Street Porting, Aluminum, Assembled, 65 cc Chamber, 180cc Intake, Chevy, 302/327/350/400, Pair
Part Number: AFR-0916
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Trick Flow® DHC™ 175 Cylinder Heads for Small Block Chevrolet TFS-30210003
Estimated Ship Date: Monday 3/30/2026
Cylinder Head, E-Tec, Aluminum, Assembled, 64cc Chamber, 170cc Intake Runner, Chevy, 302, 327, 350, 400, Each
Part Number: EDL-60975
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Cylinder Heads, Aluminum, Bare, 190cc Intake, 64cc Exhaust, 65cc Chamber, Chevy, Small Block, Pair
Part Number: AFR-0912NP
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Cylinder Heads, Street Porting, Aluminum, Assembled, 65 cc Chamber, 180cc Intake, Chevy, Small Block, Pair
Part Number: AFR-0918
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
PROMAXX Performance Maxx Series Small Block Chevy Cylinder Heads 9183HR
Not Yet Reviewed
Estimated Ship Date: May 6, 2026
Cylinder Heads, Aluminum, Assembled, 65cc Combustion Chamber, 180cc Intake, Chevy, Small Block, Pair
Part Number: AFR-0919
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
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