Bottom End

• Fierce performing camshaft for an array of engine sizes, large displacement 103", 110" and 124" engines looking for a superior torque band with excellent horsepower gains in heavy bikes (2200-6250) • Smaller high-revving displacement 95" style engines...

• Endurance and high rpm • Each piston is electra-coated on the dome, ring groove, and pin bore, for maximum wear resistance and protection from micro-welding, galling and detonation • GP Series parts generally have less machining on the outside, which...

• Direct bolt-in replacement for EVO engines • Can be used with stock valve springs, pushrods and lifters • Will respond well with performance exhaust and air cleaner • Will also respond well with increased compression and cylinder head work • 1650-5500...

• Designed to increase torque band width and increase fuel economy • Great bolt-in camshaft upgrade for stock 88" and 96" engines; also performs very well in 103" strokers and will respond well to increased compression and cylinder head work • Produces...

• Designed to increase torque band width and increase fuel economy • Great bolt-in camshaft upgrade for stock 88" and 96" engines; also performs very well in 103" strokers and will respond well to increased compression and cylinder head work • Produces...

• Designed to increase torque band width and increase fuel economy • Great bolt-in camshaft upgrade for stock 88" and 96" engines; also performs very well in 103" strokers and will respond well to increased compression and cylinder head work • Produces...

• Designed for riders who want more horsepower and the powerband higher in the RPM range • Requires high-lift valve springs (Fueling Beehive Endurance or High Load valve springs recommended) • Higher compression also recommended, along with performance...

• Comes complete with crankpin, big-end bearing, small-end bearing, and washers • Easy to install - Yamaha YZ 450 F (2023, 2024, 2025); Yamaha YZ 450 FX (2025, 2024); Yamaha WR 450 F (2024, 2025)

• Comes complete with crankpin, big-end bearing, small-end bearing, and washers • Easy to install - Kawasaki KX 450 X (2025, 2024); Kawasaki KX 450 (2025, 2024)

• Comes complete with crankpin, big-end bearing, small-end bearing, and washers • Easy to install - Honda TRX250R FourTrax (1986); Honda ATC 250 R (1986, 1985)

• Comes complete with crankpin, big-end bearing, small-end bearing, and washers • Easy to install - Beta 350 RR 4T (2015, 2018, 2025, 2019, 2016, 2024, 2020, 2023, 2017, 2021); Beta 390 RR 4T (2024, 2015, 2021, 2025, 2017, 2020, 2018, 2019, 2023, 2016)

• Comes complete with crankpin, big-end bearing, small-end bearing, and washers • Easy to install - Beta 300 RR 2T (2020, 2019, 2021, 2018); Beta 250 RR 2T (2019, 2018, 2021, 2020); Beta X-Trainer 250 (2019, 2018); Beta X-Trainer 300 (2018, 2019, 2020,...