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Small Block Mopar Performance Engine Parts 273 318 340 360 5.2 5.9 Magnum

 

Mopar Performance is the performance parts branch of Mopar. We offer their entire line of muscle car restoration, stock rebuild, high performance and racing parts for the small block engines from Mopar Performance. These engine parts are available for the "LA" series V8 engines 273, 318, 340, 360 and stroker engines based on these original designs. These engines make great power and are reasonably light. This makes them great for use in restorations, street cars, street strip cars, hot rods, street rods, trucks and all out race cars. If you are looking for performance parts for the 1993 and newer 318 Magnum and 360 Magnum, please click here for our Dodge Magnum Engine Parts page.

Due to the large variety of Mopar internal engine parts we offer, we have other pages on our website specifically devoted to Mopar Pistons, Mopar Connecting Rods and Mopar Crankshafts. Please click on the below text links to go directly to more info on these parts.

 

Small Block Mopar 318 340 360 Intake Manifolds

Edelbrock small block mopar intake manifold image

Click the intake manifold image to see our Edelbrock intakes and specs page.

Small Block Mopar Books

Automatic Transmission Shifters

B&M Pro Ratchet Racing Automati Shifter Image

Big selection, BEST price guarantee and FREE shipping!

Please CLICK HERE to view our automatic transmission shifter kits and replacement cables

 

"A" ENGINE & RELATED PARTS pre-magnum series small block 273, 318, 340 360

Engine Teardown Gasket Set

includes all gaskets needed for complete engine teardown. Includes oil pan,cylinder head, valve cover,chain case cover,intake manifold and oil pump gaskets.

p4120692 340-360 69.95
Forged "A" Engine Crankshaft

surface hardened, forged small block cranks feature radiused fillets at main and rod journals.

p5007253AB 3.58" stroke-6 bolt flange-4340 steel-318/340 main. 1495.00
p5007255 3.58" stroke-6 bolt flange-4340 steel 360 main. 995.00
p5007252 4.00" stroke-6 bolt flange-4340 steel 318/340 main. 995.00
p5007254 4.00" stroke-6 bolt flange-4340 steel 360 main. 995.00
Heavy-Duty cast crankshaft

special heavy duty performance crankshafts with radiused fillets for the small block engine. requires balancing. Also features 6 bolt pattern on crank flange.

p5007256 4.00" stroke,318/340 main 429.95
p5007257 3.58" stroke, 318/340 main 419.95
p5007258 4.00" stroke,360 main 419.95
p5007259 3.58" stroke,360 main 419.95
Thin "A" engine crank vibration damper
p4452816 "A" engine-273-318 (1967-91) 340(1968-71) with forged crank. 139.95
p5007301 360 (pre-magnum 1971-92) and short blocks P4876906,907,908,913. 89.95
Steel SFI approved vibration dampers

universial 6- bolt front pulley mount pattern

p5249690 273-318-340 forged crank(1968-71) 339.95
p5249692 360 cast crank (1971-92) 359.95
High strength double roller chains

kit includes magna fluxed sprockets and roller timing chain.

p5249267 "A" engine and magnum one-bolt mount 69.95
NEW! Timing chain tensioner

"A" engine and magnum replaces the thrust plate.designed for "A" engine as well as 3.9L,5.2L,5.9L, and magnum engines.

p5007709 use instead of thrust plate P5249637. 49.95
Timing chain cover

package includes:cover,sea & gasket. V6 & "A" engine

p5249930 up to 1991-non-chrome 159.95
Chrome bolt package for front timing covers
p4529256 "A" engine 39.95
Composition material head gaskets

thick,0.040" to 0.042" unless otherwise noted, composition head gaskets that can be used for replacement or competition applications up to 12.5:1 compression ratio.(sold as an engine set)

p4529454 "A" - up to 4.100" bore 44.50
p4120094 "A"-up to 4.060" bore (0.024"-0.028" compressed thickness) 34.95
p4349557 "A" - up to 4.060" bore-hi-comp 57.95
Composition material haed gaskets Low compression ratio gasket
p4120093 "A" -up to 4.060" bore (Not recommended for compression ratios over 10.5:1) 21.95
NEW! CHROME VALVE COVER SET

Dress up your engine compartment. Includes valve cover grommets. Quality chrome plating. stamped steel with mopar logo. Does not include gaskets or screws.

p5007446 "A" engine with mopar logo 179.95
p5007458 chrome screws 25.95
p5249581 gaskets 18.95
"A" Engine polished cast aluminum valve covers.

These polished cast aluminum valve covers are perfect for that show car engine look. They feature the mopar performance logo and are polished to a chrome-like shine. Cast aluminum covers are more rigid than stamped valve covers and help prevent valve cover leaks.set includes 2 valve covers, 2 baffles, 2 oil caps. Does not include gaskets or screws.

p5007613 "A" engine 144.95
"A" cast aluminum valve cover hardware "A" cast aluminum valve cover attaching kit
p5007052 baffle and screw package 9.95
p5007053 valve cover retaining screw set for "A" engine 16.95
NEW! CHROME BOLT SET For cast aluminum valve covers only.
p5007620 chrome bolt set 34.95
A' Engine painted cast aluminum black wrinkle valve cover set.

Bold looking cast aluminum valve covers with mopar performance logo. These high strength valve covers are more rigid than standard aluminum covers, offering better anti-leak properties. Fits all "A" engines including W2,W5, W7 and W9. set includes 2 valve covers, 2 oil filler caps and baffles. Does not include gaskets or screws.

p5007611 "A" engine 124.95
A' engine "as cast" aluminum valve covers

these valve covers are intended for serious racers the covers are sold "as cast" so you can set up the breather the way you want them.there's no paint to remove if welding is done, mopar performance logos are cast into each cover. set includes 2 valve covers, oil filler caps and baffles Does not include gaskets or screws.

p5007612 As cast aluminum valve cover set small block "A" engine 114.95
Stamped aluminum mopar valve cover set

lightweight,anodized aluminum valve covers are distinctive in any engine compartment. Mopar is imprinted in each cover. Set includes: one pair of covers with grommets, gaskets and retaining screws.

p4529198 "A" engine 89.95
Valve cover accessory set
p4120272 comprised of 12 chrome plated screw and washer assemblies: (1) chrome plated oil filter cap and (2) rubber grommets 14.95
p5007419 valve cover grommet set for chrome valve covers 8.95
Valve cover bolt kit
p5007458 "A" engine valve cover bolt kit-comprised of 12 chrome plated screws. For use with stamped steel and aluminum valve covers. 25.95
Valve cover gasket set
p4452089 race-small block-"A" engine 29.95
HP valve cover gasket

Heavy-duty ribbed,molded rubber gasket with steel shim reinforcement for added strength. for 5-bolt covers.(will NOT fit magnum engine application)

p5249581 High performance valve cover gasket-5-bolt, "A" engine 29.95
CHROME BREATHER CAP
p4120446 Breather with tube for use with P4529003 chrome valve covers. 17.95
p4349046 bottom vented for use with P4529199,P4529198, P5007446, and P5007448. 9.95
p4349625 chrome breather cap-use with production covers 13.95
p4529880 bottom vented for use with all mopar performance parts cast aluminum valve covers.( black,polished, or as cast) twist on 9.95
p4529881 push in style breather cap to fill any extra valve cover holes in in mopar performance parts cast aluminum valve covers-use with grommet (P4529882) 9.95
ROCKER SHAFT HOLD DOWN

Billet aluminum rocker shaft hold down for greater rocker shaft stiffness.helps rocker shaft maintain roundness w/ attaching torque. roundness is important w/mechanical rockers and high spring loads. Anodized blue.

p5249712 "A" engine, standard heads. 107.95
p5249713 "A" engine, W2 heads 107.95
Rocker shaft retainers and bolts

Each kit contains previously hard-to- find hold down retainers and bolts necessary to secure both rocker shafts. These retainers are manufactured to mopar OE specs to assure high quality. For use on all cylinder heads with cast-in rocker stands.

p4529740 "A" engine 16.95
Aluminum W2/W5 rocker shaft stands

machined from T6061 billet aluminum, these high strength stands securely mount W2/W5 offset rocker shafts.Designed to upgrade the P4120098 cast aluminum rocker stands, these units will not flex,crack or crush. Each set contains 10 stands(six narrow and four wide) and mounting bolts.

p5249049 W2/W5 billet aluminum 129.95
W2 & W5 Rocker arm shaft support sets-steel

Required for use on W2 and W5 heads. (except econo W2).

p4120102 steel,comprised of (6) center & ends,(4) inter- mediate and (1) 3/8"-16x2" screws. 239.95
Rocker shafts
p4120589 mech. Valve gear,non-chrome,W2/W5 heads, all int./exh. Offset,individual piece. 144.95
p3577086 mech.valve gear, non-chrome,T/A heads, on-center offset, individual piece. 149.95
p5249091 alum.rollers, chrome,"A" heads,all int./exh. on-center offset, sets of 2. 139.95
Hydraulic Rocker arm packages

features thicker cross-sectional material in pushrod socket area for added durability. includes 16 heavy duty hydraulic rocker arms, includes rocker shaft retainers, and hold down bolts. Rocker shafts NOT included.

p4529742 "A" engine, standard heads, hydraulic, 1.5 ratio 89.95
INTAKE MANIFOLDS
V8 Dual planes-2 bbl & 4 bbl
p4876335 4 bbl carb, aluminum,dual plane,rectangle port, all std. '67-91 heads. will not fit vehicles with factory a/c compressors 189.95
p5249193 2 bbl carb, cast iron,dual plane,rectangle port, W2 heads. 229.95
p5249194 4 bbl carb,cast iron,dual plane,rectangle port, W2 heads. 229.95
p5249572 4 bbl carb,aluminum, dual plane,oval port, W2 heads. 279.95

Mopar Small Block V8 Dual planes-6 bbl Intake Manifold

p4529054 6 bbl carb,aluminum,dual plane,rectangle port. fits all 1967-91 "A" engines. 269.95
Mopar Small Block Mopar V8 Single plane intake-4 bbl
p4876334 RACE 4 bbl carb,aluminum,single plane,rectangle port, all std.67-91 heads. 219.95
p4529408 4 bbl carb,aluminum, single plane,oval port, W2 heads,water heat. 229.95
Race V8 single planes-4 bbl
p5007431 NEW! 4 bbl carb, aluminum,single plane, rectangle port,P7 heads,9.0" deck. TBA
p4876829 4 bbl carb,aluminum, single plane,oval port, W2 heads, small port-no water heat 9.20" deck. 259.95
p4876829AB 4 bbl carb, aluminum,single plane, oval port, W2 heads,large port-9.20" deck. 259.95
p5249614 std. 4bbl, aluminum, single plane,rectangle port, W5 heads.-large port. 209.95
p5249357 4500 carb,aluminum, single plane,large rectangle port,W5 heads. 199.95
p4532598 std.,4 bbl,aluminum, single plane,large rectangle port,W7/W8/W9 heads,9.0" deck race. 309.95
p4876162 std. 4 bbl,aluminum,single plane,rectangle port, W7/W8/W9 heads,9.560" deck. 539.95
p4876374 Intake manifold fitting-"A" engine 6.95
OIL PAN PACKAGES

Each kit contains a factory engineered and approved oil pan,dipstick,drain plug,and washer, and an oil pickup and screen assembly, center sump style is used on passenger car applications, while rear sump style is used for pickups. Windage trays may be used if desired.

p5249059 360 center sump 109.95
p5249060 360 rear sump 85.95
p5249061 273/318/340 center sump 75.95
p5249062 273/318/340 rear sump 89.95
WINDAGE TRAYS

Designed to provide improved engine lubrication by reducing the interior windage at higher engine speeds.

p4529790 "A" engine-318/340/360 (includes tray and mounting hardware). 84.95
p3690939 windage tray attaching package-"A" engine (included in P4529790) 59.95
High Performance Oil Pump Assemblies

Click here for our Sealed Power Speed Pro Small Block Mopar Oil Pump Page

This Mopar high performance,high output oil pump assembly provides a 25% increase in oil volume. Ideal replacement for stock pump in high performance applications.
p4286589 ALL "A" Engines 59.95
Distributor/oil pump driveshaft gear assembly

with hardened tip Features hardened tip shaft with full radius blend from hex to round and pinned gears.

p3690715 "A" engine 59.95
p3690874 for billet roller cam only-aluminum-bronze gear 129.95
Right angle oil filter adapter kit

package allows rotation of the oil filter 90 degree made of aluminum and provides necessary clearance for headers,engine swaps,etc. filter NOT included. Fits "A" engines up to 1991.

p5249624 right angle adapter kit 144.95
Water Pumps

"A" engine aluminum water pump Basic high flow designes. Six blade pump is recommended for use with cast iron cylinder heads and drag racing applications. Eight blade pump is recommended for use with aluminum cylinder heads and circle track applications. both of these pumps can be used for service replacement in 1968-91 magnum crate motors.

p5249558 six blade 64.95
p5249559 eight blade-increased flow 64.95
Attaching bolts-timing cover and water pump
p4529256 "A" engine 39.95
A ENG CAM AND LIFTER PACKAGES (HYD)

pre magnum cam and lifter packages for 273/318/340/360 up to 1991(lifters/lube/cam/instruc)

p4452782 268/276dur-429/444lift idle to 5800 rpm 189.95
p4452757 248/256dur/410/425lift 1000/5000 rpm 189.95
p4452759 260/268 dur 430/450 lift 1200/5200 rpm 189.95
p4452761 260/272 dur 450/455 lift 1500/5800 rpm 189.95
p4452992 280/280 dur 474.474 lift 2000/6000 rpm 189.95
p4120231 284/284 dur 484/484 lift 2600/6000 rpm 189.95
p4120233 292/292dur 508/508lift 2800/6200 rpm 189.95
p5007696 292/292dur 508/508lift 2800/6200rpm (less o/lap) 199.95
p4529317 320/320 dur 533/533 lift 3800/6400 rpm 189.95
A ENG SOLID MECHANICAL CAM AND LIFTER PKGS

for pre magnum 273/318/340/360 up to 1991

p4120653 284/284/dur 528/528lift 2800/6900 rpm 199.95
p4120655 296/296dur 557/557 lift 3400/7200 rpm 199.95
p4120657 312/312 dur 590/590 lift 4000/7500 rpm 199.95
p4349266 324/324 dur 620/620 lift 4800/7800 rpm 199.95
NEW ALUM. COMMANDO CYL. HEADS

high performance cast aluminum head. 100% interchangeable w/cast iron head. High flow intake 222cfm.uses standard A eng valve covers. uses standard 2.02 and 1.60 valves. Uses standard A eng rocker shafts and arms. Small 60cc chamber for added compression. Uses stock 340/360 intake. Must use magnum eng. head bolt pkg P4876759 requires minor modif. to rocker shafts.

p4876785 Commando alum head (bare) each 699.95
p4876310 large port alum head. 20% more flow than X or J head 709.95
A ENGINE CAST IRON CYL. HEADS

high swirl port technology 166 intake port best pre magnum head

p5249768 360hp 1.88/1.60 w-2 rocker arms (bare) each 459.95
PORTED HEAD ASSEMBLIES

ported head assmeblies drastically increase the flow.(more that 44% on intake) Port work mainly concentrated on the bowl area. assembled with valve, spring, retainer, etc.

p4876180 202/1.60 ported valve lift to .650 1049.95
W-2 CAST IRON RACE CYLINDER HEADS

float machined rocker pads, require rocker arm stands and long valve for higher lifts

p5007708ab race 48deg.47cc chamber revised intake port 519.95
p5007445ab race 48deg. 65cc chamber revised intake port 519.95
p5249769 race 59deg. 65cc chamber 18deg valve angle 569.95
p5007355 race 59deg.68cc chamber 18deg valve angle 559.95
"A" ENGINE SMALL BLOCK VALVES

All stainless valves have swirl-polished underheads, all stainless valves have no flat or ski-jump on underheads, 340/360 stainless 1 s groove

p4876397 intake,1.88dia. 4.98"length 13.95
p5249185 intake,2.02dia. 4.98" length 18.99
p5249186 intake,2.08dia. 4.98" length 14.95
p5249187 exhaust,1.60dia. 4.97" length 19.49
p5249188 exhaust,1.65dia.4.97" length 13.95
W2/W5 stainless 1 s groove
p5249195 intake,2.02dia. 5.28" length 14.95
p5249196 intake,2.08dia. 5.28" length 15.95
p5249882 intake,2.15dia. 5.28" length 12.95
p5249883 exhaust,1.625dia. 5.29" length 10.95
p5249198 exhaust,1.65dia. 5.29" length 9.95
X-LONG STAGE VI/W7/W9 RACE (EACH)
p5249884 intake,2.125dia. 3/8" stem 10.95
p5249885 INTAKE,2.15dia. 3/8" stem 12.95
p4876570 intake,2.18 dia. 10.95
p4876571 intake,2.20 dia. 10.95
p4876573 intake,2.25 dia. 10.95
p5249886 exhaust,1.60dia. 12.95
p5249887 exhaust,1.625 dia. 12.95
p4876574 exhaust,1.80 dia. 10.95
5/16" stem,tulip,stainless steel 1 s groove
p4876580 intake,2.15 dia. 10.95
p4876579 intake,2.18 dia. 10.95
p4876578 intake,2.20 dia. 10.95
p4876577 intake,2.225 dia. 15.95
"A" engine long valves(sold individually)
p3690933 single/damper 440/500lift chrome-van 6.95
p2806077 dual/damper 500/610lift chrome-van 8.25
p4876064 dual/damper 590/640lift chrome-sil 9.95
p5249864 single/damper 460/550lift chrome-sil 9.95
p2946353 dualdamper 520/700lift special 9.95
p5249849 dual/damper 650/750lift chrome-sil 9.95
p4007536 triple 640/745lift chrome-sil 18.95
"A" ENGINE VALVE SPRINGS(INDIVIDUALLY)
p4286813 single/damper 390/450lift-chrome-van 5.95
p4120249 single/damper 430/500lift chrome-van 6.95
p5249847 single/damper 480/535lift chrome-sil 7.95
p3614542 dual/damper 500/610lift chrome-sil 9.95
p3412068 dual/damper 520/620lift special 7.95
"A" ENGINE VALVE SPRING RETAINERS Sold Individually
p4452033 chrome-moly 8 degree locks,single std 7.95 ea
p4286775 titanium,10 triple increase .060" 22.95 ea

Last Updated on 03/29/09

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