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KTM 150 SX 2021
Aeroflow Performance engine blocks are the ideal starting point for any street performance build that demands quality and precision at a reasonable price
Great upgrade for the mikuni equipped KTM 125SX
2L LSA aluminum engine blocks are durable foundations for serious performance
shoulder to shoulder tape
821 GM LS Rectangle Port Heads (Pair) NEW pwk KTM 150 SX 2021Brand new LS3 821 rectangle port LS heads from Chevrolet Performance including valves and valve springs. These are the best factory head that GM offer. Will fit LS2, L98, L77, L76, LS3, LSA Aluminium performance head Fits any LS family engine with 4. 00" bore or larger 2. 165" hollow stem intake, and 1. 59" solid stem exhaust valves . 550" max valve lift (stock springs) As cast L92 style 260cc intake ports D shaped exhaust ports As cast combustion