CHEVROLET 5-7L-350 CHEVY-SMALL-BLOCK-GEN-III-IV-LS-BASED-ENGINES Cylinder Heads

Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Chevrolet, LS, Each

Part Number: AFR-1501

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping

Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Small Bore, Chevrolet, LS, Each

Part Number: AFR-1506

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• Free Shipping

LS Cylinder Head, 5.3L Specific, 60cc Chamber, 2.000 Int. Valve, Permanent Mold A-356, Manganese Guides, Ductile Seats, PAC Springs, 21 4N Stainless

Part Number: SUM-LS210CATH60

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• Free Shipping

LS Cylinder Head, 5.3L Specific, 64cc Chamber, 2.000 Int. Valve, Permanent Mold A-356, Manganese Guides, Ductile Seats, PAC Springs, 21 4N Stainless

Part Number: SUM-LS210CATH64

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• Free Shipping

Cylinder Head, Enforcer, Aluminum, Bare, 64cc Chamber, 210cc Intake, Cathedral Port, Small Bore, Chevrolet, LS, Each

Part Number: AFR-1507

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• Free Shipping

Cylinder Head, GenX® 215, CNC Competition Ported, Assembled, 64cc CNC Chambers, Ti Retainers, GM LS1, Each

Part Number: TFS-3061T001-C01

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping

Valve Guides, Bronze, 0.315 in. I.D., 0.502 in. O.D., 2.100 in. Length, Use with LSX, Small Block Chevy and Small Block Ford Engines, Each

Part Number: AFR-9051-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Cylinder Head Dowel Pin, Chevy, Small Block, LS Engines, Each

Part Number: NAL-12570326

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Monday 12/8/2025

Valve Guides, AFR Valve Guides, Bronze, 0.315 in. Inside Diameter, 2.100 in. Length, Sold as a Set of 16

Part Number: AFR-9051-16

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• Free Shipping

Valve Guides, Bronze, Chevy, Small Block, LS1, Set of 16

Part Number: TFS-30600251

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Cylinder Head Dowel Pins, Stock Replacement, GM, Gen III/IV LS, Each

Part Number: BTC-BTR70326

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Cylinder Head Dowel Pins, Chevy, Small Block LS, LT, Set of 4

Part Number: ICB-551275

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/8/2025

Engine Coolant Plug Fastener, Bolt, Internal Allen Head, 27mm x 1.00 Thread Size, 17mm Allen Head Size, Chevy, Small Block LS, LT, Each

Part Number: NAL-11611351

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Valve Seats, Ductile Iron, Exhaust, 1.680 in. Outside Diameter, Chevy, Small Block, LS1, Set of 8

Part Number: TFS-30600274

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Valve Seats, Ductile Iron, Intake, 2.125 Outside Diameter, Chevy, Small Block, LS1, Set of 8

Part Number: TFS-30600271

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Cylinder Head, GenX® 205, Competition Ported, Assembled, 58cc CNC Chamber, Titanium Retain, GM LS Vortec, Each

Part Number: TFS-3051T001-C00

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• Free Shipping

Engine Coolant Plug Fastener, Bolt, Internal Allen Head, 28mm x 1.25 Thread Size, Steel, Natural, Chevy, Small Block LS, Each

Part Number: NAL-12561663

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/8/2025

Cylinder Heads, E-Street, Assembled, Aluminum, 64cc Chamber, 210cc Intake Runner, 75cc Exhaust Runner, Cathedral Port, Chevy, Small Block LS, Pair

Part Number: EDL-7764

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Heads, E-Street, Assembled, Aluminum, 64cc Chamber, 210cc Intake Runner, 75cc Exhaust Runner, Cathedral Port, Chevy, Small Block LS, Pair

Part Number: EDL-7763

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Coolan Plugs, Chevy, Small Block LS Gen III and Gen IV, Small Block LT Gen V, Each

Part Number: ICB-551282

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

Cylinder Head, GenX® 205, Competition Ported, Assembled, 58cc CNC Chambers, GM LS Vortec, Each

Part Number: TFS-30510001-C00

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• Free Shipping

Valve Seats, Ductile Iron, Exhaust, 1.625 in. Outside Diameter, Chevy, Small Block, LS1, Set of 8

Part Number: TFS-30600272

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Valve Seat Inserts, Exhaust, Ductile Iron, 1.350 in. I.D., 1.650 in. O.D., Chevrolet, Ford, Each

Part Number: AFR-9069

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

Valve Seat Inserts, Intake, Ductile Iron, 1.720 in. I.D., 2.132 in. O.D., Chevrolet, Ford, Each

Part Number: AFR-9059

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025