en-us Wed, 07 Oct 2026 00:15:39 GMT 184142708 https://motorheadmedia.com/cranks/184142708/callies-compstar-center-counterweighted-ls-crankshaft.html At Borowski Race Engines, we like to use fully counterweighted crankshafts in our engine builds. We believe the additional cost of 8 versus 6 counterweights is more than offset by the value delivered in engine longevity and performance. This design increases the stiffness of the crankshaft and reduces harmonics. The direct result is reduced flexing of the crank. The indirect results are greatly improved bearing life and a much stronger bottom end, particularly with a GM LS block. Callies offers…

]]> Engine Parts: Cranks Mon, 05 Oct 2026 07:50:06 GMT 182994042 https://motorheadmedia.com/cranks/182994042/callies-magnum-center-counterweighted-ls-crank.html We here at Borowski Race Engines, Inc are big fans of Callies cranks and rods for a lot of reasons. Performance is always part of the equation but durability is right up there. As we see it, price is less important than performance and durability since if it either doesn't work or wrecks your engine, it was a bad deal. Low cost materials or parts may be okay in low performance engines coming from the OEMs. If you want really big power, low-end parts have no business in high performance…

]]> Engine Parts: Cranks Mon, 05 Oct 2026 07:50:06 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 Sun, 04 Oct 2026 15:55:45 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 Sun, 04 Oct 2026 15:55:17 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 Sun, 04 Oct 2026 15:55:17 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 Sun, 04 Oct 2026 15:55:17 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 Sun, 04 Oct 2026 15:54:39 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 Sun, 04 Oct 2026 15:54:39 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 Sun, 04 Oct 2026 15:54:39 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 Sun, 04 Oct 2026 15:54:39 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 Sun, 04 Oct 2026 15:54:06 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, 04 Oct 2026 07:50:06 GMT