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XX-Large HB611620 PYHB611620 SA2020 Rated ULTRASPORT DB
0L L5 F/I - All
the largest and highest flowing BBC product in our line-up with flow numbers that are creeping up on many of our competitor's 18 degree Pro-stock style heads
lightweight design removes weight and yields unrivalled quality and ratio accuracy Designed for high performance street and race engines Precision-sorted trunion bearings withstand elevated valve spring pressure and valve lift Additional clearance up to 1
B58 Mark 5 Supra Cams | 258-C Ididit XX-Large HB611620 PYHB611620 SA2020 Rated288 stage 3 drag racing cams for professionally built engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel type ethanol blend or methanol. Must use aftermarket high flow plenum with a throttle body conversion. Recommend locking the Valvetronic system at 100% swing. Must have valve spring upgrade, Kelford Cams recommend valve spring KVS58 BT. Strip Drag Race Roll Race Drift E85 Methanol
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