AFR 1101 LT4 210/65CC .710 LIFT COMPETITION SOLID ROLLER W/ STUDS & GUIDE PLATES

Regular price $ 5,859.82

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

 AFR's 210cc "Race Ready" and "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for race applications and aggressive street/ strip builds up to 400 cubic inches, operating up to 6500- 6800 RPM.

210cc Aluminum SBC Cylinder Heads
Part # Plug Type Porting Finish Combustion Chamber
1057 GM LT4 Race Ready 65cc
1101 GM LT4 Competition 65cc

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210cc Race Ready Head Flow Chart
  .200 .300 .400 .500 .550 .600 .650
Int 145 199 255 292 301 309 311
Exh 110 158 192 210 214 220 222
210cc Competition Head Flow Chart
  .200 .300 .400 .500 .550 .600 .650
Int 147 201 257 296 310 318 322
Exh 120 166 214 225 229 235 237

Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe

Included Components
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, 2.080" x 5.000" Overall Valve Length
7255
8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length
7254
PAC Racing Spring 1.550" OD Solid Roller Dual Valve Spring, 220 lbs on seat, .710" maximum lift, Max RPM 7200-7400
8000
Manley 10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D
8511
10° Bead Lock Valve Keepers
9009
ARP 7/16" Rocker Studs
6405
Adjustable 5/16" Guide Plates
6103
Viton Valve Seals .600" O.D x .495" I.D
6612
Hardened Valve Spring I.D Locator 1.550" O.D x .780" I.D
8048
Ductile Iron Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep
9060
Ductile Iron Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep
9070
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L
9051
Specifications & Features:
Material
A356 Aluminum
Intake Port Volume
210cc
Intake Port Dimension
2.200" H x 1.310" W x 3/8 Radius
Intake Port Location
Stock
Exhaust Port Volume
80cc
Exhaust Port Dimension
1.420" H x 1.545" W
Exhaust Port Location
.250" Raised
Combustion Chamber Size
65cc or 75cc
Valve Cover Bolt Pattern
Perimeter Bolt
Valve Angle
23°
Valve Spring Pocket Diameter
1.580" O.D
Max Valve Spring Pocket Machining
1.750" O.D
Warning: Do not machine spring pad any deeper.
Deck Thickness
.750"
Minimum Bore Diameter
4.000"
Flat Mill
.006" per cc 60cc Maximum
Angle Mill
.009" per cc 55cc Maximum
Note: Angle mills might require .120" Thick intake gasket.
Minimum Cross Sectional Area
Race Ready: 2.100 sp in, Comp 2.115 sq. in
Spark Plug Dimensions
14mm x .750" w/Gasket Seat
Carb EO#
Not Emissions Complient

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Warning: May cause cancer and reproductive harm.