Page 121 - 2022-23 Auto Performance Open Wheel Catalog

CT350 350 Cu. In./350 Horsepower
CT350 Crate Engine GMP19431602 A factory-sealed small block Chevy
crate engine for circle track use, the 350 CID/350-horsepower assembly is externally balanced and has a 9:1 compression ratio, nodular
iron crankshaft, 8-qt. kickout oil
pan, hydraulic camshaft, cast
iron Vortec cylinder heads, HEI
distributor and aluminum dual
plane intake manifold. Carburetor,
exhaust manifolds, water pump, starter
and flywheel/flexplate, not included.
NOTE: Requires a externally bal-
anced flywheel/flexplate. Distribu-
tor with melonized gear must be used
with long blocks and partial engines with steel camshafts or engine damage will occur.
Part No. Description
Replacement Components
CT400 350 Cu. In./400 Horsepower Crate Engine
GMP19370604
New and improved, factory-sealed small block Chevy engine is 350 CID and
400 horsepower. Engine is externally balanced, has a forged steel crank-
shaft, 8-quart dual kickout oil pan,
hydraulic roller camshaft, aluminum
“fast burn” cylinder head with “bee-
hive” valve springs and aluminum
roller rocker arms, 9.7:1 compression
ratio, and a high-rise intake manifold.
Carburetor, starter, ignition, plug
wires, water pump, distributor, and
exhaust not included. NOTE: Requires a externally
balanced flywheel/flexplate. Distributor with melonized gear must be used with long blocks and partial engines with steel camshafts or engine damage will occur.
Part No. Description
Replacement Components
GMP12551313
Exhaust Valve, 1.550”, Each
GMP12555331
Intake Valve, 2.000”, Each
GMP19201172
Rebuild Gasket Set, Fits 19318604, 88958604, ZZ383, ZZ5 and Fast Burn 385 Engines
GMP19301706
Engine Balancer
GMP19154761
Valve Spring Kit, Includes
(16) 10212811 Springs and (16) 10241744 Retainers
GMP19201171
Rebuild Gasket Set, Fits 19258602, 88958602, HT383 and 350 HO engines
CT350 SPECIFICATIONS
Displacement
350 CID
Bore x Stroke
4.000" x 3.480"
Horsepower
400 @ 5,500 RPM
Torque, Ft./Lbs.
400 @ 4,500 RPM
Valve Lift
.474"
Camshaft Duration
208°/221° @ .050"
Valve Size
2.000"/1.550"
Compression Ratio
9.72:1 Nominal
Recommended Fuel
92 Octane
Maximum Recommended RPM
5,800 RPM
CT350 SPECIFICATIONS
Displacement
350 CID
Bore x Stroke
4.000" x 3.480"
Horsepower
350 @ 5,000 RPM
Torque, Ft./Lbs.
390 @ 3,800 RPM
Valve Lift
.435"/.460"
Camshaft Duration
212°/222° @ .050"
Valve Size
1.940"/1.500"
Compression Ratio
9.12:1 Nominal
Recommended Fuel
92 Octane
Maximum Recommended RPM
5,500 RPM
SB Chevy Cast Iron Vortec Cylinder Head
GMP12691728
Completely assembled,
cast iron cylinder head has
high-velocity ports and fast-
burn combustion chambers
for significant horsepower and
torque increases. Outfitted with 1.94" intake and 1.50" exhaust valves, 3/8" rocker studs, springs, seals, and locks. Vortec style intake man- ifold is required. Sold individually. NOTE: The valve guide bosses must be machined when using a camshaft with over .475" lift. Valve seats may be re-machined to accept 2.02" intake and 1.60" exhaust valves.
SB Chevy Composition Head Gasket GMP12557236 Composition-style head gasket
is for use on ZZ4 or 350HO en-
gines fitted with iron or aluminum
cylinder heads. Gasket includes
stainless steel fire rings for added
durability, a 4.100" gasket bore
and .051" compressed thickness. Sold each.
SB Chevy Cylinder Head Bolt Kit
GMP12495499
Engineered for use with iron or aluminum small block cyl- inder heads, kit includes (14) 10168525, (4) 10168526, (16) 10168527, and thread sealant.
Beehive Spring Conversion Kit
for “604” Crate Engine GMP19300952 Increase high-RPM capabil-
ity and valvetrain stability of
“604” crate engines. Appli-
cable to aluminum Fast Burn
cylinder heads, kit includes
beehive springs, retainers,
keepers, and spring seats
that directly replace the OEM
components. Includes suffi-
cient components for one pair of cylinder heads. Springs may also be purchased separately.
Part No. Description
Valve Spring Kit For “602” Crate Engine
GMP19154761
Valve spring kit is designed
for use on GM Performance
Parts CT350/350 (“602”) or 350
HO engines. Kit includes (16)
GMP10212811 valve springs.
Springs are 1.250" O.D., have
80 lbs. of seat pressure at
1.700" installed height, and a rate of 256 lbs.
GMP19420455
Beehive Valve Springs, Set of 16
2022-23 PARTS AND ACCESSORIES
119