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Chevy small-block v-8
Oil Pans, Gaskets and Accessories Continued
12555884
Oil Pump, High-Pressure LT1/LT4-Style (not shown)
• Production-style high-pressure 1993-1997 LT1/LT4 oil
pump with 1.20" gears
• Produces 60-70-psi oil pressure; screen not included
A. 14044872
Oil Pump, High Volume
• High-volume pump has 1.50" gears for increased volume
• Approximately 25 percent more capacity than a production
pump at standard pressure; pick-up not included
Order These Parts To Complement Your New Oil Pump:
3892678
Oil Pump Bolt (not shown)
• Fits all models, 7/16-14" x 2"
3998287
Oil Pump Shaft (not shown)
• Fits all 1959-and-newer engines
3764554
Oil Pump Shaft Retainer (not shown)
• Fits all 1959-and-newer engines
• Use with oil pump shaft P/N 3998287
3848911
Oil Pump Spring (not shown)
• Regulates oil pressure at approximately 70 psi
• Use with high-volume pump, P/N 12555884
NOTE: Minimum recommended oil pressure for offhighway
use is 65 psi at engine operating speed.
B. 3952301
Oil Filter Adapter
• Mounts a spin-on cartridge for Gen I and II Small-Block
V-8s
• Contains a filter bypass valve and requires two attaching
bolts, P/N 3951644
24241872
Magnetic Drain Plug (not shown)
• Catches and holds small pieces of metal before they can
cause engine damage
C. 12368084
Engine Oil Primer
• Use to lube engine bearings prior to starting a new or
rebuilt engine
• Fits Small-Block and Big-Block
D. 93440806
HEI Distributor
• A must for steel roller cams
• Has ignition advance curve for high-performance applications
• Comes with melonized steel gear P/N 10456413
E. 88961867
Distributor, Billet HEI
• Most powerful and durable distributor for Small- or Big-Block
Chevrolet engines
• Oversized shaft is guided by a sealed ball bearing and long
sintered bushing
• Treated coating on the shaft provides low friction
• Advance assembly features chromemoly weights that slide
on nylon pads for smooth timing advancement through the
entire rpm range
• Also included are vacuum advance canister and billet aluminum
housing that is CNC-machined for greater accuracy
• High quality cap with brass terminals
10456413
Distributor Gear (not shown)
• Melonized steel gear is required for all crate engines and
steel roller camshafts
NOTE: This gear is part of distributor assembly P/N 93440806.
A Oil Pump, High Volume B Oil Filter Adapter
C Engine Oil Primer
D HEI Distributor
Intake Manifold, ZZ Series
Intake Manifold, Vortec Head Design
Intake Manifold, Vortec Head Design (dual pattern carb mount)
F
G
H
Intake Manifolds, Gaskets
and Components
Intake manifolds distribute the air/fuel mixture to the appropriate
cylinders. Intake manifold design is geared toward the end usage,
whether that is a street performance engine or an all-out competition
application. The wide range of GM Performance Parts intake
manifolds means there is an ideal manifold for your every need. There
are cast-iron and aluminum intake manifolds for carbureted and fuel
injected applications. GM Performance Parts intake manifolds were
designed specifically for GM engines, so you know they will deliver
O.E. performance.
F. 10185063
Intake Manifold, ZZ Series
• Aluminum manifold used on all ZZ series 350 HO engines
• Can be used on all Small-Blocks through 1986
• Dual-pattern carburetor flange is approximately 1/2" lower
than the 1970 LT1 intake, yet produces the same horsepower
• Provisions for all late-model accessory brackets, EGR,
and an integral hot-air choke
• A heat shield can be mounted underneath for
improved performance
G. 12366573
Intake Manifold, Vortec Head Design
• Designed for 283-400-cubic-inch engines using Vortec cylinder
heads P/N 12529093, P/N 12558060, P/N 12497186,
P/N 12464298, P/N 25534421, or P/N 25534446
• Has 4-bolts per side to attach it to these cylinder heads
• Aluminum high-rise design maximizes horsepower and
delivers a broad torque curve
• Accepts a square-bore 4150-style carburetor and
includes externally plumbed hot water crossover passage
• Use manifold gasket P/N 89017465 and eight attachment
bolts, P/N 12550027
NOTE: Vortec heads were originally released on 1996-1999
truck engines. Check for hood clearance, especially with
Corvette.
H. 12496820
Intake Manifold, Vortec Head Design
(Dual Pattern Carb Mount)
• This dual bolt pattern aluminum manifold will work with
all Vortec cylinder heads P/N 12529093, P/N 12558060,
P/N 12497186, P/N 12464298, P/N 25534421, or
P/N 25534446
• Will accept Holley or Quadrajet-style carburetors
• Will accept an EGR valve, P/N 17052693
• To block EGR port, use P/N 12556596
• Requires intake manifold gasket P/N 89017465 and 8
special manifold bolts, P/N 12550027
I. 12496821
Intake Manifold, Vortec Head Design for TBI
• Designed for throttle-body fuel injection
• Aluminum intake will work with all Vortec cylinder heads,
including P/N 12529093, P/N 12558060, P/N 12497186,
P/N 12464298, P/N 25534421, or P/N 25534446
• Also accepts EGR
NOTE: The exhaust manifold from 1996-and-newer pickup
trucks with RPO L31 350 engine, P/N 12557828, is drilled
and tapped to accept an EGR tube. EGR pipe P/N 10220275
can be used with EGR Valve P/N 17113457 and gasket P/N
12337972. This manifold is primarily intended for use with
Vortec heads on pre-1996 engine blocks. 1995 and earlier
blocks have thermostat bypass passage from the block
directly to the water pump. If manifold is used on 1996 and
later engines (which do not have the bypass in the block),
you must run a coolant bypass line from the manifold to
the 5/8" hose nipple on the water pump (passenger's side).
Suggested routing is from the 3/8 NPSF boss on manifold to
the water pump.
Chevy small-block v-8
E Billet HEI Distributor
Intake Manifold, Vortec Head Design for TBI
I
180 Buy online at www.gmperformanceparts.com
Additional components required
for installation. See page 185.
Available for purchase online at
gmperformanceparts.com
181