|Listed in category:

Find parts that fit

We need more information about your vehicle to confirm fit.

Have one to sell?

Competition Cams 12-602-8 Big Mutha Thumpr Camshaft

US $554.55
ApproximatelyC $771.43
Condition:
New
9 available
Breathe easy. Free shipping and returns.
Shipping:
Free Expedited Shipping.
Located in: Grant, Michigan, United States
Delivery:
Estimated between Tue, Aug 26 and Fri, Aug 29 to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Seller pays for return shipping.
Payments:
     Diners Club

Shop with confidence

eBay Money Back Guarantee
Get the item you ordered or your money back. Learn moreeBay Money Back Guarantee - opens new window or tab
Seller assumes all responsibility for this listing.
eBay item number:305293816996
Last updated on Aug 22, 2025 09:08:05 EDTView all revisionsView all revisions

Compatibility

This part is compatible with 2631 vehicle(s)
YearMakeModelTrimEngineNotes
1994PontiacFirebirdFormula Convertible 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1994PontiacFirebirdFormula Coupe 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1994PontiacFirebirdTrans Am Convertible 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1994PontiacFirebirdTrans Am Coupe 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1994PontiacFirebirdTrans Am GT Coupe 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1993PontiacFirebirdFormula Coupe 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1993PontiacFirebirdTrans Am Coupe 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1991ChevroletBlazerScottsdale Sport Utility 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1991ChevroletBlazerSilverado Sport Utility 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1990ChevroletBlazerScottsdale Sport Utility 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1990ChevroletBlazerSilverado Sport Utility 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1989ChevroletBlazerScottsdale Sport Utility 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1989ChevroletBlazerSilverado Sport Utility 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1986ChevroletC10Custom Standard Cab Pickup 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated[Big Mutha Thumpr(TM) Engine Camshaft] Retro-Fit Hyd Roller; 2500-6200 RPM; Adv. Dur. 299 Int./319 Exh; Valve Lift .531 Int/.517 Exh; Lobe Angle 107 Deg; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle; Quantity needed per vehicle: 1
1986ChevroletC10Custom Standard Cab Pickup 2-Door5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated[Big Mutha Thumpr(TM) Engine Camshaft] Retro-Fit Hyd Roller; 2500-6200 RPM; Adv. Dur. 299 Int./319 Exh; Valve Lift .531 Int/.517 Exh; Lobe Angle 107 Deg; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle; Quantity needed per vehicle: 1
1986ChevroletC10Scottsdale Standard Cab Pickup 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated[Big Mutha Thumpr(TM) Engine Camshaft] Retro-Fit Hyd Roller; 2500-6200 RPM; Adv. Dur. 299 Int./319 Exh; Valve Lift .531 Int/.517 Exh; Lobe Angle 107 Deg; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle; Quantity needed per vehicle: 1
1986ChevroletC10Scottsdale Standard Cab Pickup 2-Door5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated[Big Mutha Thumpr(TM) Engine Camshaft] Retro-Fit Hyd Roller; 2500-6200 RPM; Adv. Dur. 299 Int./319 Exh; Valve Lift .531 Int/.517 Exh; Lobe Angle 107 Deg; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle; Quantity needed per vehicle: 1
1986ChevroletC10Silverado Standard Cab Pickup 2-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated[Big Mutha Thumpr(TM) Engine Camshaft] Retro-Fit Hyd Roller; 2500-6200 RPM; Adv. Dur. 299 Int./319 Exh; Valve Lift .531 Int/.517 Exh; Lobe Angle 107 Deg; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle; Quantity needed per vehicle: 1
1986ChevroletC10Silverado Standard Cab Pickup 2-Door5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated[Big Mutha Thumpr(TM) Engine Camshaft] Retro-Fit Hyd Roller; 2500-6200 RPM; Adv. Dur. 299 Int./319 Exh; Valve Lift .531 Int/.517 Exh; Lobe Angle 107 Deg; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle; Quantity needed per vehicle: 1
1986ChevroletC10 SuburbanCustom Sport Utility 4-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated[Big Mutha Thumpr(TM) Engine Camshaft] Retro-Fit Hyd Roller; 2500-6200 RPM; Adv. Dur. 299 Int./319 Exh; Valve Lift .531 Int/.517 Exh; Lobe Angle 107 Deg; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle; Quantity needed per vehicle: 1
Portions of the information contained in this table have been provided by neverenoughauto

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
UPC
036584148401
Brand
COMP Cams
MPN
12-602-8
Manufacturer
COMP Cams
Manufacturer Part Number
12-602-8

Item description from the seller

About this seller

Never Enough Auto Accessories

98.3% positive feedback530K items sold

Joined Jan 2003
Usually responds within 24 hours
Welcome to Never Enough Auto Accessories, your ultimate destination for all things automotive! Whether you're a passionate car enthusiast or simply looking to enhance your ride, we have everything you ...
See more

Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
4.9
Shipping speed
4.9
Communication
5.0

Seller feedback (170,829)

All ratings
Positive
Neutral
Negative
  • e***h (85)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    This company is awesome to work with. Part arrived broken so I contacted the seller. I sent him a few pictures and they stepped right up to send me a new part at no additional shipping cost. Thank you for being an honest reliable company. Highly recommend this seller. Part quality is excellent at a great value. I will definitely buy from them again
  • e***e (887)- Feedback left by buyer.
    Past year
    Verified purchase
    My experience has been amazing, I ordered two rims which were shipped from two separate places but both received within 2 days. The first one received within 14 hours! Unbelievable service, great communication and Superior price! Thank you so much! AAA+!!!
  • a***h (20)- Feedback left by buyer.
    Past year
    Verified purchase
    Absolutely outstanding customer service, i had received my cover for truck and it got damaged during shipping they responded promptly and helped me with the whole process and i had a new one 2 days later, this one was in perfect condition. quickest service in my opinion and would shop with them for all my accessories needs also when i messaged them they answered right away! Great products very happy customer very great reasonable prices. Love the sleek look.

Product ratings and reviews

5.0
5 product ratings
  • 5 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • It’s a great mid range cam and sounds great great throttle response

    Verified purchase: YesCondition: NewSold by: abad71camaro

  • Sounds great engine runs good

    Verified purchase: YesCondition: New

  • Whippin ass

    I’m gonna load it in my trans am and whip my buddies ass

    Verified purchase: YesCondition: NewSold by: abad71camaro

  • Lopey cam

    Perfect camshaft for the noticeable lope in exhaust.

    Verified purchase: YesCondition: NewSold by: abad71camaro

  • Good

    Good

    Verified purchase: YesCondition: NewSold by: performancepartsracing