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Sp 128" Shovelhead

The 128" Shovelhead is now available,  13,999$USD for a complete motor turnkey and dynotested.

  • Polished Ultima cases

  • Ultima 3 piece 4.5 stroke wheels and H beam rods

  • 45MM  Ultima SuperG with Thunderjet

  • Ported Billet intake

  • Billet heads - With 2.100 valve and stage 5 port work can be added upon request and a 2.25 valve or Stage 6 Oval port heads.

  • Cp custom forged pistons any compression ratio if requested

  • 282/284 cam .640lift with SP billet lifter blocks and Evo valvetrain or  284/288 .680 lift

  • 12.7 Compression Dynoed an 140hp on PumpGas !! With 2.14 x 1.710 @ 317cfm

  • Dual Decompressors for easy starting

  • Roller Rockers

  • This engine comes with the best parts on the market today for your shovelhead, there is no comparison!



Complete Custom Head Porting available on request!

Flow Bench Testing available on request!