en-us Tue, 16 Jun 2026 04:47:16 GMT 184682165 https://motorheadmedia.com/cranks/184682165/lunati-signature-bbc-cranks-extra-blower-keyway-in-stock.html Lunati Signature BBC Crankshafts - 2500+ HP. Premium 4340 Forged Steel, contoured counterweights, gun drilled main & rod journals, Nitride heat treated. Extra Blower keyway. 4.125 & 4.500 Strokes Available Now. IN STOCK NOW 4.125 Stroke, Great for Blower & Turbo engines - $1,498 4.250 Stroke for 540 Blown & Turbo engines - $1,798 4.500 Stroke for Blown or Naturally Aspirated Big HP engines - $1,798 Double 1/4in keyways for Blown Applications Pulsed Plasma Nitride heat treated…

]]> Engine Parts: Cranks Sun, 14 Jun 2026 07:50:03 GMT 184003722 https://motorheadmedia.com/cranks/184003722/scat-4.250.html SCAT 4.250" STROKE CRANKSHAFT 4340 2-Piece Rear Main Seal Part # 4-454-4.250-6385-C CENTER COUNTERWEIGHT NEW CALL (504) 616-6005 for info.

]]> Engine Parts: Cranks Sat, 13 Jun 2026 18:27:40 GMT 184183383 https://motorheadmedia.com/cranks/184183383/new-scat-4.375-stroke-crankshaft-.html NEW SCAT 4.375" Stroke Crankshaft 4340 1-Piece Rear Main Seal Fits 1990 and Newer B.B. Chevy GM Block Part # 4-454-4.375-6385L NEW-NEVER INSTALLED Price Listed does NOT INCLUDE freight charges. For more information contact RON SPORL @ (504) 616-6005

]]> Engine Parts: Cranks Sat, 13 Jun 2026 18:27:10 GMT 184183247 https://motorheadmedia.com/cranks/184183247/new-scat-4.500-stroke-crankshaft.html NEW SCAT 4.500 STROKE CRANKSHAFT 4340 1-Piece Rear Main Seal Fits 1990 and Newer BB Chevy GM Block Part # 4-454-4500-6535L Price Listed Does NOT INCLUDE Freight Charges For more information Contact Ron Sporl (504) 616-6005

]]> Engine Parts: Cranks Sat, 13 Jun 2026 18:27:10 GMT 184003730 https://motorheadmedia.com/cranks/184003730/scat-4.750.html SCAT B.B. CHEVROLET 4.750" STROKE 6.700" ROD 4340 CRANKSHAFT 2-PIECE REAR MAIN SEAL PART # 4-454-4750-6700 NEW CALL (504) 616-6005 for info

]]> Engine Parts: Cranks Sat, 13 Jun 2026 18:27:10 GMT 184359473 https://motorheadmedia.com/cranks/184359473/new-lunati-signature-series-4.250-b.b.-chevrolet-crankshaft-.html LUNATI SIGNATURE SERIES B.B. CHEVROLET CRANKSHAFT NEW IN BOX!! 4.250" STROKE 6.385" ROD LENGTH B.B. CHEVY 2-PIECE REAR MAIN Price Listed ($2,100.00) does NOT INCLUDE FREIGHT I have several IN STOCK!! CALL RON SPORL (504) 616-6005 for information.

]]> Engine Parts: Cranks Sat, 13 Jun 2026 18:26:42 GMT 184183007 https://motorheadmedia.com/cranks/184183007/gm-steel-454-502-crankshaft.html USED G.M. STEEL 454-502 CRANKSHAFT 1-Piece Rear Main Seal Fits 1990 and Newer BB Chevy GM Block Std/Std Mags Good Price Listed ($500.00) does NOT INCLUDE freight Charges For More Information Contact RON SPORL @ 504-616-6005

]]> Engine Parts: Cranks Sat, 13 Jun 2026 18:26:42 GMT 184182870 https://motorheadmedia.com/cranks/184182870/new-scat-4.500-stroke-crankshaft.html NEW SCAT 4.500" STROKE CRANKSHAFT 4340 1-Piece Rear Main Seal Fits 1990 and Newer GM BB Chevy Block Part # 4-454-4500-6385L NEW - NEVER INSTALLED Listed Priced does not include freight charges For More Information CALL RON SPORL @ (504) 616-6005

]]> Engine Parts: Cranks Sat, 13 Jun 2026 18:26:42 GMT 184182013 https://motorheadmedia.com/cranks/184182013/new-scat-4.250-stroke-crankshaft.html NEW SCAT 4.250" STROKE CRANKSHAFT 4340 1-Piece Rear Main Seal Fits 1990 and Newer B.B. Chevy GM Block Part # 4-454-4250-6385L NEW - NEVER INSTALLED Price Listed does NOT include freight charges. For more information call RON SPORL @ (504) 616-6005

]]> Engine Parts: Cranks Sat, 13 Jun 2026 18:26:42 GMT 184359474 https://motorheadmedia.com/cranks/184359474/new-lunati-signature-series-4.500-b.b.-chevrolet-crankshaft.html LUNATI SIGNATURE SERIES B.B. CHEVROLET CRANKSHAFT NEW IN BOX!!! 4.500" STROKE 6.535" ROD LENGTH B.B. CHEVROLET 2-PIECE REAR SEAL Price listed ($2,100.00) does NOT INCLUDE FREIGHT I have Several IN STOCK! CALL RON SPORL (504) 616-6005 for information.

]]> Engine Parts: Cranks Sat, 13 Jun 2026 18:26:17 GMT 183126704 https://motorheadmedia.com/cranks/183126704/callies-custom-ultra-billet-ls-crankshaft.html This is the crank we use when going after BIG POWER. Callies Ultra billets are machined from Premium Grade (Para-Pure) Timken alloy steel. From the raw materials, through the foundry to Callies plant in Fostoria Ohio, these crankshafts are 100% MADE in USA. This high quality Timken steel alloy has been formulated to create a level of toughness that is unmatched in the crankshaft industry. The fully counter-weighted design and heat treatments further increase the torque these cranks can handle.…

]]> Engine Parts: Cranks Fri, 12 Jun 2026 07:50:03 GMT 184409929 https://motorheadmedia.com/cranks/184409929/callies-compstar-bbc-crank-4.250-inch-stroke.html Callies Performance is our primary supplier of cranks and rods. We use them because we believe they offer the best performance for the money and they work. Callies offer three levels of cranks, namely Compstar, Magnum and Ultra (billet). This crank is forged from 4340 steel alloy. It uses a 2 piece rear seal and has standard rod and main journal dimensions of 2.200 and 2.750 inches respectively. We pair Compstar cranks & rods with Dart Sportsman blocks and Diamond pistons for our BBC…

]]> Engine Parts: Cranks Wed, 10 Jun 2026 07:50:04 GMT