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
Estimated Ship Date: Today
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
Estimated Ship Date: Today
351 STD WEIGHT
Part Number: SCA-4351C65
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
CYLINDER HEADS PAIR
Part Number: PMX-2181HR
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
CRANK-4340 4.000 STROKE
Part Number: MAN-192124
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
ROATING ASSEMBLY
Part Number: SCA-1-91205BISTD
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
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
Estimated Ship Date: Today
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
Estimated Ship Date: Today
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
Estimated Ship Date: Today
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
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each
Part Number: WRL-030040
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each
Part Number: WRL-030040-1
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each
Part Number: WRL-030040-2
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 345cc Intake, Exhaust Port Is Raised 0.600 in., Rectangular Intake Port, Chevy, Big Block
Part Number: WRL-030630-1
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
302 2-PC REAR SEAL, STD WEIGHT CHEVY
Part Number: SCA-435005
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
FORD FE 170CC 2.09/1.66 72CC CHAMBER MULTI ANGLE VALVE JOB HAND BOWL BLENDED 3/8 VALVE GUIDES BARE HEADS
Part Number: PMX-9171
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
