en-us Tue, 26 May 2026 15:21:03 GMT 184783942 https://www.motorheadmedia.com/rotating-assemblies/184783942/555-bb-chevy-balanced-rotating-asy..html 555 BB Chevy Balanced Rotating Asy. 12.5 Compression 4340 4.250 2pc R/S Crank 6.385 H Beam Rods With ARP2000 Bolts SRP 33cc Dome Pistons Plasma Moly Rings King Race Bearings Internally Balanced Only 3 kits available at this price. 1 week to Ship Regular Price $2825.00

]]> Engine Parts: Rotating Assemblies Mon, 25 May 2026 07:50:03 GMT 184707921 https://www.motorheadmedia.com/rotating-assemblies/184707921/565-rotating-assembly-sr20.html COMPLETE ROTATING ASSEMBLY. THIS ASSEMBLY IS USED AND HAS ABOUT 30 PASSES ON IT. CALLIES MAGNUM CRANK STD STD WITH OLIVER STD RODS 6.385. WIESCO SR 20 PISTONS 28CC DOME WITH A 1.27 C/D. INCLUDES MATCHED COATED ROD BEARINGS. BALANCED AT LESS THAN .2 OZ INCHES. THIS COMBINATION IS 14.72 TO 1 WITH A 100CC CHAMBER .005 IN THE HOLE. TOTAL SEAL RING SET AP TOP NAPIER SECOND. SHIPPING IS NOT INCLUDED. PLEASE CALL ISLAND RACING 802-372-8565 WITH ANY QUESTIONS.

]]> Engine Parts: Rotating Assemblies Mon, 25 May 2026 07:50:03 GMT 184446553 https://www.motorheadmedia.com/rotating-assemblies/184446553/sb-ford-427-block-rotating-assem-10.4-or-12-1.html This K1 427cid Block & Rotating Assembly for Small Block Ford has Precision Balanced K1 4340 forged crankshaft, K1 H-beam rods with Ford offset, SRP-Pro 2618 forged pistons for 10.4-1 compression with 64cc heads. Dart SHP blocks accept stock Ford hydraulic roller cam & lifter components. BK427F-19B 10.4-1 BK427F-5B 12-1 Dart SHP 9.500 deck Block with steel 4-bolt main caps 427 cid - 4.125 bore x 4.000 stroke K1 4340 Forged crankshaft, 4.000 stroke K1 Premium H-beam rods with Correct Ford…

]]> Engine Parts: Rotating Assemblies Mon, 25 May 2026 07:50:03 GMT 184425079 https://www.motorheadmedia.com/rotating-assemblies/184425079/sb-ford-427-438cid-block-rotating-assem-13.7-1.html This K1 427 or 438cid Block & Rotating Assembly for Small Block Ford has Precision Balanced K1 4340 forged crankshaft, Molnar H-beam rods with Ford offset, CP-Carrillo 2618 forged pistons for 13.7-1 compression with 64cc heads. Dart SHP blocks accept stock Ford hydraulic roller cam & lifter components. Dart SHP 9.500 deck Block with steel 4-bolt main caps 427 cid - 4.125 bore x 4.000 stroke 438 cid - 4.125 bore x 4.100 stroke K1 4340 Forged crankshaft Molnar Premium H-beam rods with Correct Ford…

]]> Engine Parts: Rotating Assemblies Mon, 25 May 2026 07:50:03 GMT 182677469 https://www.motorheadmedia.com/rotating-assemblies/182677469/2000-hp-632-n2o-block-lunati-rotate-assem-.html NOW with Molnar XD Xtreme Duty Rods This Lunati 632 cid Block & Rotating Assembly for Big Block Chevy for Nitrous has Precision Balanced Lunati Signature Crank that is made in the USA and Wiseco forged pistons for 13.6-1 compression with 118cc heads. World Products Merlin IV Billet Cap Block 10.250 deck The +.050 deck facilitates the stronger Xtreme Duty Wiseco N2O piston with thicker ring lands. This is a Serious Nitrous Assembly World Products Merlin IV Block Steel Billet main caps with ARP…

]]> Engine Parts: Rotating Assemblies Mon, 25 May 2026 07:50:03 GMT 182373994 https://www.motorheadmedia.com/rotating-assemblies/182373994/1700-hp-bbc-632-block-rotate-assem-n2o.html This Molnar Rotating Assembly for 632 cid Big Block Chevy for Nitrous has Precision Balanced Premium 4340 Forged Crank with Wiseco N2O forged pistons for 14.2-1 compression with 119cc heads. Custom C/R available. XD Xtreme Duty H-beam rods will handle 2000HP Merlin IV Block 10.250 (+.050) deck allows for stronger pistons with thicker ring lands and is already clearanced for 4.750 stroke. The combination of the +.050 deck and the .065 shorter 6.635 rod length allows an extra .100 thicker ring…

]]> Engine Parts: Rotating Assemblies Mon, 25 May 2026 07:50:03 GMT 184796129 https://www.motorheadmedia.com/rotating-assemblies/184796129/comp-cams-.165-wall-pushrods-12-.html Comp Cams new .165" wall thickness pushrods

]]> Engine Parts: Rotating Assemblies Sun, 24 May 2026 20:19:31 GMT 184796081 https://www.motorheadmedia.com/rotating-assemblies/184796081/nice-bowtie-block-billet-crank-billet-rods.html NICE 358ci SB CHEVY — BILLET CRANK / BILLET RODS / BOWTIE BLOCK Winberg 3.255 billet crank, Lentz I-beam billet rods, and 1184A Bowtie block. 2.300 mains, 4.177 bore, .904 lifter bores, 50mm cam bearings. High-end race setup that can be built as SB2, 23°, 18°, or 11° combo. Quality parts in excellent condition. Serious inquiries only.

]]> Engine Parts: Rotating Assemblies Sun, 24 May 2026 09:53:18 GMT 184411995 https://www.motorheadmedia.com/rotating-assemblies/184411995/sb-ford-427-block-rotating-assem-600-n2o.html This Lunati 427 cid Block & Rotating Assembly for Small Block Ford has Precision Balanced Lunati forged crankshaft with Custom CP N2O forged pistons for 13-1 compression with 64cc heads. Molnar “Turbo” PwrAdr rods have thicker H-beam cross section and thicker H-fins. Rods will handle 1500HP This is a Serious Nitrous Kit Dart SHP 9.500 deck Block with steel 4-bolt main caps ARP Main Studs 4.125 bore x 4.000 stroke Lunati Voodo Forged 4.000 stroke crankshaft Molnar PwrAdr Turbo H-beam Rods…

]]> Engine Parts: Rotating Assemblies Sun, 24 May 2026 07:50:02 GMT 184344839 https://www.motorheadmedia.com/rotating-assemblies/184344839/ls-short-block-kit-dart-block-438-7.2l-in-stock.html IN STOCK NOW This LS Block & Rotating Assembly includes Dart LS SHP Block, Wiseco forged pistons for 10.8 or 9.8-1 compression with 68cc heads, K1 4340 Forged crank & K1 H-beam rods, perfect for std or Turbo applications. Dart SHP LS Next Block 9.240 deck, 4.125 bore K1 4340 Forged 4.100 stroke crankshaft 24T/58T K1 LS 6.125in H-beam rods w/ARP2000 bolts Wiseco RED Series -10cc or -20cc 2618 Pistons 10.8 or 9.8-1 w/68cc chambers 4.125 bore, 2.250in x .150 wall pins Nitrided steel top…

]]> Engine Parts: Rotating Assemblies Sat, 23 May 2026 07:50:03 GMT 184397187 https://www.motorheadmedia.com/rotating-assemblies/184397187/555ci-bbc-rotating-assembly-callies-diamond.html These are the rotating assemblies we use in our Dart 9.800" deck height, BBC engine builds. Our standard geometry is a 4.250" stroke with a 4.560" diameter cylinder bore which yields 555 cubic inches of displacement. The Callies crank and rods are offered at both the Compstar (imported) and Made-in-USA Magnum/Ultra Enforcer levels. The Ultra Enforcer rods can be ordered in either H-beam or I-beam designs. The 4,560" Diamond pistons we stock are 10cc and 40cc dome sizes. We also carry the…

]]> Engine Parts: Rotating Assemblies Fri, 22 May 2026 07:50:03 GMT 184397172 https://www.motorheadmedia.com/rotating-assemblies/184397172/ls-rotating-assembly-with-callies-compstar-8-cwt-crank.html This rotating assembly features a fully counterweight Callies Compstar crank with either a stock 3.625 inch stroke or 4.000 inch stroke with matching Compstar H-beam rods. The Manley Platinum Series, flat-top pistons with 4.030 inch bore are ideal for naturally aspirated applications. For an additional charge, the set can be computer balanced on our Fentech balancer to +/- 1 gram. The stock stroke and 30-over pistons yield a displacement of 370 cubic inches. The 4.000 inch crank brings…

]]> Engine Parts: Rotating Assemblies Fri, 22 May 2026 07:50:03 GMT