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AFR 195cc LT1 23 Degree Eliminator SBC Aluminum Cylinder Heads 54cc Chambers - .600 Lift Hydraulic Roller

AFR 1032
AFR's LT1 heads are designed for the Gen II reverse cooled SBC engine from 1992-1996. They feature all the same benefits and quality components as AFR's Gen I SBC Heads. Your factory accessory bolts and center bolt valve covers need to be shortened 3/16" or they will bottom out. These cylinder heads are machined for both center and perimeter bolt valve covers. Shaft mount rockers are highly recommended for race/endurance applications and/or street engines that see a lot of miles. If you're using your vehicle for drag racing ONLY you can run PN: CSP-S1004-050 if you don't want to run shaft mount rockers. Chamber size 54cc. Component upgrade and machining options are available to customize AFR Heads to your specific build.

OE LT exhaust manifolds will not line up well with AFR's exhaust ports and we highly recommend using Gen 1 exhaust manifolds and gaskets.
Shipping: FREE continental USA ground shipping on ALL AFR Cylinder Heads
Pricing: $2,282.00

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Description

Additional Notes: Due to the "60/40" stud and valve locations, shaft mount rockers are highly recommended, however if you're ONLY Drag Racing you can run a .050" offset intake stud mount rocker with the AFR supplied guide plate (exhaust will use a standard rocker). Please note that with the .050" offset rocker arms the roller tip of the stud mount rocker will not be perfectly centered and will not sit squarely on the valve causing increased side loading and wear. This option is not recommended for race/endurance applications and/or street engines that see a lot of miles.

Basic Package Components Part #
100% CNC Ported Combustion Chambers
100% CNC Ported Exhaust Ports
100% CNC Ported Intake Ports
Competition 5-angle Valve Job
 
8mm Bead Lock Intake Valve, 2.050" x 4.900" Overall Valve Length AFR #7252
8mm Bead Lock Exhaust Valve, 1.600" x 4.950" Overall Valve Length AFR #7250
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring,
140 lbs on seat, .600" maximum lift, Max RPM 6300-6800
AFR #8017
7° 7° Manley Chrome Moly Retainers 1.245" O.D x .885" I.D x .655" I.D AFR #8515
7° Bead Lock Valve Keepers AFR #9007
ARP 3/8" Rocker Studs AFR #6409
Adjustable 5/16" Guide Plates AFR #6103
Viton Valve Seals .600" O.D x .495" I.D AFR #6612
Hardened Spring Cup O.D Locator 1.380" O.D x .570" I.D AFR #8042
Ductile Iron Intake Valve Seats 2.200" O.D x 1.750" O.D x .375" Deep AFR #9060
Ductile Iron Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep AFR #9070
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L AFR #9051

Specifications, Features, and Optional Supporting Components
Intake Port Volume
195cc
Intake Port Dimension 2.110" H x 1.265" W 5/16 Radius
Intake Port Location Stock
Exhaust Port Volume 64cc
Exhaust Port Dimension 1.450" H x 1.550" W
Exhaust Port Location .100" Raised
Combustion Chamber Size
54cc
Valve Cover Bolt Pattern
Center and Perimeter Bolt
Valve Angle 23°
Valve Spring Pocket Diameter 1.460" O.D
Max Valve Spring Pocket Machining 1.750" O.D
Deck Thickness .750"
Minimum Bore Diameter
4.000" 
Flat Mill .006" per cc 60cc Maximum
Angle Mill .009" per cc 55cc Maximum
Minimum Cross Sectional Area 1.905 sq. in.
Spark Plug Dimensions 14mm x .750" w/Gasket Seat
   
Intake Port Gasket GM #12524653 LT1 / Fel-Pro #1284
Exhaust Port Gasket, Fel-Pro #1404 AFR #6834
Head Gasket, 350cid Fel-Pro #1074
AFR #6803
SB Chevy Head Bolt Kit, ARP #134-3701
AFR #6310
SB Chevy Head Stud Kit, 12 Point Nuts, ARP #234-4301 AFR #6305
Head Bolt Washers, Manley
ARP #234-4301 AFR #6320
Stud Girdle GM L98
Fel-Pro #1074, AFR #6200
Suggested Manifold GM LT1 or LT4
Spark Plug Starting Range
Autolite 3924 
Important: Do not port match you intake manifold to any Fel-Pro gasket as it does not precisely match AFR heads.
Note: Milling head deck will affect flow numbers.
Angle mills might require .120" Thick intake gasket.

Details

Shipping Information

  • Item Requires Shipping
  • 65.0 lbs.
  • W12.0000” x H12.0000” x L24.0000”
  • Free Basic Shipping
  • This item ships in its own box.
  • FREE continental USA ground shipping on ALL AFR Cylinder Heads

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