426 Hemi Engine Parts Chrysler Plymouth Dodge Mopar Hemi Parts

KB Hypereutectic 426 Hemi Pistons

High performance KB hypereutectic 426 Hemi pistons offer a significant performance improvement for your engine, at a very affordable price. We have these piston sets available in a wide range of sizes including standard bore and 6 different oversizes. If you are rebuilding a Chrysler 426 Hemi engine and are looking for improved performance, without the higher cost of forged pistons, KB performance pistons are an excellent alternative for many street, muscle car restoration, cruising and street / strip applications.

Classic 426 Hemi Specs

For reference the original stock specifications were:

• Engine block deck height 10.725 inches
• Cylinder bore size was 4.250 inches
• Crankshaft stock stroke was 3.750, main journal size 2.750, rod journal size 2.375
• Connecting rod length was 6.860 inches
• Wrist pin diameter 1.030
• Intake valve 2.250 inches, Exhaust valve 1.940 inches

We do not recommend hypereutectic pistons for use with superchargers, turbochargers, nitrous systems or for serious racing engines. For those applications we strongly recommend forged pistons which are listed on our website here: Forged 426 Hemi Pistons

Keith Black 426 Hemi Piston Features:

• Made from Hypereutectic 390 Alloy with 16% silicon
• Fully machined head and valve reliefs
• Accumulator groove to aid with compression ring seal
• Diamond finished skirts
• CNC machined pin bores to insure straight and accurately sized bores

Hypereutectic 426 Hemi Pistons for Stock Stroke Chrysler Dodge Plymouth Mopar 426 Hemi Engines

• Ring grooves are 5/64 5/64 3/16
• Crankshaft These pistons are for use with a stock stroke 426 Hemi crank, OEM or aftermarket
• Connecting Rods These pistons are for use with stock length rods 6.860 inches long with a 1.030 wrist pin diameter
• CH Compression Height This is the measurement from the centerline of the piston pin bore to the top flat part of the piston
• Wt Piston weight in grams followed by wrist pin weight in grams
• ccs displacement of dome, or dish, and valve reliefs, measured in ccs
• CR Compression ratio estimates based on a .030 oversize, -.041 deck clearance and .020 compressed head gasket
• Bore Size Finished bore size, in inches, that piston is designed for
• Piston set includes 8 pistons, 8 wrist pins and spiral locks
• Piston and ring kit includes 1 Complete piston set and 1 Moly piston ring set

426 Hemi Dome Top Pistons

426 Hemi Dome Top Pistons

Diamond Mopar 426 Hemi Pistons and 426 Hemi Stroker Pistons, forged, with pins, set of 8

The below listed Hemi piston sets are all Diamond Racing Products brand forged 426 Hemi piston sets.

Available in street Hemi and race Hemi type compression ratios. All of the Diamond 426 Hemi Pistons use 1/16", 1/16", 3/16" ring sets. All sets listed are for use with the stock rod length of 6.860" and stock pin size of 1.031". Compression ratios listed figured based on a 168cc cylinder head volume.

426 Hemi Connecting Rods

The high horsepower and torque output of the Hemi engine requires a strong connecting rod to transfer the power and keep things running smoothly. We offer 426 Hemi rods from K1 Technologies, Manley, Eagle and more. All rods listed below are stock 426 Hemi length of 6.860" long unless otherwise noted. All prices are for a set of 8 rods.

426 HEMI CRANKSHAFTS

High performance race applications, 6 or 8 bolt flange hemi engines, use with matching 6 or 8 bolt flexplate or flywheel, hemi forged race crankshafts

k1 426-4150JE6F

426 Hemi Engine Bearings

V8 ENGINE BLOCK HARDWARE PKGS
Includes all necessary dowels,plugs,bushings, keys as well as core plugs rear cam bearing plug,drive gear bushing,and head dowels.

426 Hemi ENGINE Tear Down GASKET SET
Includes all gaskets needed for complete engine tear down.includes oil pan,cylinder head, valve cover,chain case cover,intake manifold and oil pump gaskets.

FREEZE PLUGS
Round, press in engine block freeze plugs, fits standard or Mopar performance parts race cast iron blocks.

THIN HEMI CRANK VIBRATION DAMPER
Designed for forged crankshafts and used primarily for Hemi engines.symmetrical 6 bolt pattern for pulley attachments. NOT SFI approved

STEEL SFI APPROVED VIBRATION DAMPER
Universal 6 bolt front pulley mount pattern.

RACE FLUID VIBRATION DAMPER
7 1/4" O.D. for internally balanced engines. SFI approved as required in most NHRA drag racing classes, custom pulleys may be required due to increased thickness.

HIGH STRENGTH 426 Hemi DOUBLE ROLLER TIMING CHAINS
Kit includes magna-fluxed sprockets and double roller timing chain. Has three machined key ways in crankshaft sprocket to adjust cam timing.

TIMING CHAIN COVER
Front timing chain covers fit your needs, package includes cover,seal and gasket.

CHROME BOLT PKG.FOR FRONT TIMING COVERS
Engine dress up projects aren't complete without chrome bolts.

HYDRAULIC TAPPETS(sold individually)

MECHANICAL TAPPETS(sold individually)

ROLLER TAPPET SETS
Matched pair with guide bar.

426 CAST IRON STREET HEMI HEADS
Same outward appearance as the original 1966-1971.combustion chamber is approx. 170cc-same as original.valve sizes of 2.25" intake and 1.94" exhaust. BARE HEADS, price is per head

426 ALUMINUM HEMI HEADS(EACH)
2.25" intake and 1.94" exhaust valve machining and 170cc combustion chamber. valve seats and guide inserts.

COMPOSITION MATERIAL 426 Hemi HEAD GASKETS
Thick,0.040" to 0.042",up to 12.5:1 compression ratio.(sold as a set)

STEEL SHIM HEAD GASKET SETS
0.020" compression thickness ( 1 set)

HEAD BOLT SETS
Includes all head bolts and washers. Hemi engine(includes the required 8 studs and nuts)

426 Hemi O.E. Cover Set (Black Painted)

Mopar Performance takes another giant step to help the restoration crowd with these O.E. black wrinkle 426 Hemi valve covers. Original equipment for all 1966-71 426 Hemi engines, these stamped steel, black wrinkle covers have the spark plug wire brackets and rubber coated alternator wiring looms. The set includes left and right valve covers, chrome oil fill cap, grommets for PCV and breather, and hold-down studs and nuts.

CAST ALUMINUM 426 HEMI VALVE COVERS
Painted black wrinkle and finned with Hemi logo cast in. for single plug cylinder head applications. Uses street Hemi valve cover rail. Gaskets included. Uses oil cap # P5249949 which is sold separately.

426 HEMI OE VALVE COVER SET
black painted Original equipment for all 1966-1971 426 hemi engines, these stamped steel black wrinkle covers have the spark plug wire brackets and rubber coated alternator wiring looms.set includes left and right valve covers,chrome breather cap, metal pcv valve, and chrome pcv cap, and hold down studs and nuts.

HEMI CHROME VALVE COVERS

426 HEMI VALVE COVER STUD & NUT PKG
A complete set of 20 studs and 20 nuts to fit 1966-71 426 hemi heads to retain factory valve covers.

VALVE COVER GASKET SET

PUSH-ON BREATHER-STREET HEMI
They are designed to fit all production style Hemi valve covers,including Mopar performance parts chrome or black wrinkle covers.

PCV PACKAGE-STREET HEMI
kit contains: 1 pcv valve cap, a pcv valve & nut and 1 pcv valve retaining spring. Fits 1964-69 hemi valve covers.

VALVE STEM LASH CAPS

426 HEMI STEEL ROLLER TIP ROCKERS

426 HEMI FORGED STEEL MECHANICAL ROCKER ARMS
Made of 1041 forged steel,fits both the cast iron and aluminum heads.

ROCKER SHAFTS

HEMI ROCKER SHAFT SPRINGS
Includes 14 long springs and 2 short springs pkg.is one engine set.

Mopar Plymouth Dodge 426 Hemi Intake Manifolds

NEW! V-8 Dual Quad Hemi Intake Manifold --8-bbl

This new, aluminum in-line Hemi intake manifold is based on the marine version and is built from the original tooling! Machined to accept Holley carburetors (4452778 rear, 4452779 front), this manifold will fit production 426 Hemi heads, provisions for manifold heat and power brakes, and retains the stock height as the production 1966-71 Street Hemi AFB Intake Manifold.

NOTE: Production AFB air cleaner baseplate/lid will need to be changed or modified. Some O.E. and aftermarket linkage components and fuel lines will be needed to complete installation.

Mopar 426 Hemi DUAL PLANE-4 BBL Intake Manifold
Rectangle port and fits all hemi 426/472/528 engines.stock exhaust heat location on rear of manifold just like the original dual plane 4bbl production in-line manifold.

Dodge Hemi CROSS RAM Intake Manifold -8 BBL
This aluminum cross ram features rectangle ports and is designed for 4 bbl carbs. Fits Hemi 426/472/528 engines.

426 HEMI INTAKE MANIFOLD GASKET SETS
kit comes complete to service one engine set ( includes gaskets,end seals,o rings and distributor seal where applicable)

426 HEMI INTAKE MANIFOLD BOLT PKG.

426 HEMI INTAKE MANIFOLD HEAT SHIELD
For all 426 street hemi intake manifolds. also fits M1 4 bbl, P4876188

Mopar Hemi Oil Pan

Here is a production-style oil pan for 426 Hemi engines that is stamped steel to replicate the 1970-71 E-body pan. The 6-quart pan may also be used on 383/400/440 engines for increased oil capacity.

OIL PICKUP AND SCREEN ASSEMBLIES

WINDAGE TRAYS

OIL PAN BOLT SETS

HIGH PERFORMANCE 426 OIL PUMP ASSY.

DIST/OIL PUMP DRIVESHAFT GEAR ASSEMBLY W/HARDENED TIP
Features hardened tip shaft w/ full radius blend from hex to round and pinned gears.

ALUMINUM HEMI WATER PUMP HOUSING

LIGHTWEIGHT ALUMINUM HEMI WATER PUMP

WATER PUMP INSTALLATION KIT

ATTACHING BOLTS/TIMING COVER & WATER PUMP
Complete set of chrome bolts for timing cover and water pump.

VISCOUS FAN PACKAGE

426 HEMI CAM AND LIFTER Kits

Mopar HEMI HYDRAULIC CAMS

Mopar 426 HEMI MECH. CAM & LIFTER PKGS

HEMI VALVES (EACH)

HEMI VALVE SPRINGS (each)

HEMI VALVE SPRING RETAINERS (each)

HEMI MECHANICAL PUSHRODS