CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
A cost effective choice compared to re-worked factory heads, our 210cc package features fully CNC ported intake and exhaust runners, and combustion chambers. Recommended for street, street/strip and towing applications with displacements up to 383 cubic inches, operating at or below 6300 RPM. A minimum 3.900" bore size is required to clear the supplied 2.020" valve.
| 210cc Aluminum LS1 Cylinder Heads | ||
|---|---|---|
| Part # | Description | Combustion Chamber |
| 1510 | 3.900+ Bore | 66cc |
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| 210cc Street Head Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 153 | 214 | 262 | 293 | 300 | 302 |
| Exh | 124 | 178 | 214 | 227 | 233 | 237 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 3.900", 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, 2.020” x 4.900" Overall Valve Length |
7207
|
| 8mm Bead Lock Exhaust Valve, 1.600” x 4.900" Overall Valve Length |
7228
|
| PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 |
8017
|
| 7° Titanium Retainers 1.245" O.D x .885" I.D x .655" I.D |
8512
|
| 7° Bead Lock Valve Keepers |
9007*
|
| Viton Valve Seals .600" O.D x .495" I.D |
6612
|
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D |
8042
|
| Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep |
9059
|
| Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep |
9069
|
| 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
9051
|
| Recommended Components: | |
| Intake Port Gasket |
GM or FAST
|
| Exhaust Port Gasket |
GM#12558573
|
| Head Bolts (97-03) |
6330
|
| Head Studs (97-03) |
6331
|
| Head Bolts (04+) |
6334
|
| Head Studs (04+) |
6335
|
| Head Bolt Washers, Manley |
6320
|
| Suggested Manifold |
FAST 90mm, 92mm, or 102mm
|
| Spark Plug Starting Range |
NGK TR55
|
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
210cc
|
| Intake Port Dimension |
3.275"H x 1.120"W x5/16 top 3/8 bottom
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
84cc
|
| Exhaust Port Dimension |
1.415" H x 1.710" W
|
| Exhaust Port Location |
Stock
|
| Combustion Chamber Size |
66cc
|
| Valve Cover Bolt Pattern |
Center Bolt
|
| Valve Angle |
15°
|
| Valve Spring Pocket Diameter |
1.510" O.D
|
| Max Valve Spring Pocket Machining |
1.525" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
3.900"
|
| Flat Mill |
.006" per cc 58cc Maximum
|
| Minimum Cross Sectional Area |
2.185 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
SHIPS IN THE LOWER 48 STATES FREE!
CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
CONTACT US THE PRICE IS NEGOTIABLE BEST OFFER
Warning: May cause cancer and reproductive harm.
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