Availability
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 350, Each
Part Number: SCA-435086
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Cylinder Heads, Freedom Series, Bare, Aluminum, Natural, 64cc Chamber, Angle Plug, Chevy, Small Block, Pair
Part Number: PMX-2108
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
FORGED CRANKSHAFTS
Part Number: SCA-774004060
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Dodge, Plymouth, 340, Each
Part Number: SCA-434020
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Crankshaft, Internal Balance, Forged 4340 Steel, 3.85 in. Stroke, Ford, 351W, Each
Part Number: SCA-4351W45
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Crankshaft, Standard Weight, Forged 4340 Steel, Internal Engine Balance, 3.622 in. Stroke, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Each
Part Number: SCA-4LS136262
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.00 in. Stroke, Chrysler, 273, 318, 340, Each
Part Number: ESP-434040006123
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 320cc Intake Runner, 26 Degrees, Chevy, Big Block, Each
Part Number: WRL-030620-2
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
CRANK-4340 4.000 STROKE
Part Number: MAN-192124
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
Single Cylinder Head, Race Porting, Aluminum, Assembled, 65cc Chamber, 227cc Intake, Chevy, Small Block, Each
Part Number: AFR-1068-1
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
SB Mopar 340 Forged Steel Crank, 3.580 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.
Part Number: SUM-MOP34033106
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
351 STD WEIGHT
Part Number: SCA-4351C65
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
CYLINDER HEADS PAIR
Part Number: PMX-2181HR
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
ROATING ASSEMBLY
Part Number: SCA-1-91205BISTD
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
Chevy Gen. 5 LT, 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.
Part Number: SUM-180LT400058
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-13101060
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-13054040
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
Pulley Set, Serpentine, Performance Ratio, Billet Aluminum, Black Powdercoated, No Air Conditioning, Power Steering, Chevrolet, LS, Kit
Part Number: MCH-19910-08
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
Cylinder Head, Motown, Cast Iron, Assembled, 64cc Chamber, 220cc Intake, Chevy, 302, 327, 350, 400, Each
Part Number: WRL-014150-3
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
Cylinder Heads, Aluminum, Bare, 63cc Chamber, 171cc Intake Runner, Chrysler, Dodge, Plymouth, Small Block, Pair
Part Number: PMX-9361
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Cylinder Heads, Aluminum, Bare, 65cc Chamber, 171cc Intake Runner, Chrysler, Dodge, Plymouth, Small Block, Pair
Part Number: PMX-93615
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
BB CHRYS BARE 210 CC SET UP 2.14/1.81/84CC/BRONZE GUIDES/5 ANGLE VALVE JOB/BOWL BLENDED/ALL FINAL MACHINING IN
Part Number: PMX-9441
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
HEAD WITH ANGLE PLUG
Part Number: PMX-9200A
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Cylinder Heads, Freedom Series, Assembled, Aluminum, Natural, 64cc Chamber, Chevy, Small Block, Pair
Part Number: PMX-2117
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Cylinder Heads, Freedom Series Small Block Chevy Heads, Assembled, Aluminum, 72cc Chamber, 225cc Intake, Angle Plug, Chevrolet, Small Block, Pair
Part Number: PMX-2118
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
